diff --git a/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/jar/JarFile.java b/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/jar/JarFile.java
index 907c4767ee..2477d62923 100644
--- a/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/jar/JarFile.java
+++ b/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/jar/JarFile.java
@@ -70,7 +70,7 @@ public class JarFile extends java.util.jar.JarFile implements Iterable<JarEntryD
 
 	private final RandomAccessDataFile rootFile;
 
-	private final String name;
+	private final String pathFromRoot;
 
 	private final RandomAccessData data;
 
@@ -99,32 +99,33 @@ public class JarFile extends java.util.jar.JarFile implements Iterable<JarEntryD
 	 * @throws IOException
 	 */
 	JarFile(RandomAccessDataFile file) throws IOException {
-		this(file, file.getFile().getAbsolutePath(), file);
+		this(file, "", file);
 	}
 
 	/**
 	 * Private constructor used to create a new {@link JarFile} either directly or from a
 	 * nested entry.
 	 * @param rootFile the root jar file
-	 * @param name the name of this file
+	 * @param pathFromRoot the name of this file
 	 * @param data the underlying data
 	 * @throws IOException
 	 */
-	private JarFile(RandomAccessDataFile rootFile, String name, RandomAccessData data)
-			throws IOException {
+	private JarFile(RandomAccessDataFile rootFile, String pathFromRoot,
+			RandomAccessData data) throws IOException {
 		super(rootFile.getFile());
 		CentralDirectoryEndRecord endRecord = new CentralDirectoryEndRecord(data);
 		this.rootFile = rootFile;
-		this.name = name;
+		this.pathFromRoot = pathFromRoot;
 		this.data = getArchiveData(endRecord, data);
 		this.entries = loadJarEntries(endRecord);
 	}
 
-	private JarFile(RandomAccessDataFile rootFile, String name, RandomAccessData data,
-			List<JarEntryData> entries, JarEntryFilter... filters) throws IOException {
+	private JarFile(RandomAccessDataFile rootFile, String pathFromRoot,
+			RandomAccessData data, List<JarEntryData> entries, JarEntryFilter... filters)
+			throws IOException {
 		super(rootFile.getFile());
 		this.rootFile = rootFile;
-		this.name = name;
+		this.pathFromRoot = pathFromRoot;
 		this.data = data;
 		this.entries = filterEntries(entries, filters);
 	}
@@ -364,7 +365,7 @@ public class JarFile extends java.util.jar.JarFile implements Iterable<JarEntryD
 				return null;
 			}
 		};
-		return new JarFile(this.rootFile, getName() + "!/"
+		return new JarFile(this.rootFile, this.pathFromRoot + "!/"
 				+ sourceEntry.getName().substring(0, sourceName.length() - 1), this.data,
 				this.entries, filter);
 	}
@@ -375,8 +376,8 @@ public class JarFile extends java.util.jar.JarFile implements Iterable<JarEntryD
 			throw new IllegalStateException("Unable to open nested compressed entry "
 					+ sourceEntry.getName());
 		}
-		return new JarFile(this.rootFile, getName() + "!/" + sourceEntry.getName(),
-				sourceEntry.getData());
+		return new JarFile(this.rootFile, this.pathFromRoot + "!/"
+				+ sourceEntry.getName(), sourceEntry.getData());
 	}
 
 	/**
@@ -387,7 +388,8 @@ public class JarFile extends java.util.jar.JarFile implements Iterable<JarEntryD
 	 */
 	public synchronized JarFile getFilteredJarFile(JarEntryFilter... filters)
 			throws IOException {
-		return new JarFile(this.rootFile, getName(), this.data, this.entries, filters);
+		return new JarFile(this.rootFile, this.pathFromRoot, this.data, this.entries,
+				filters);
 	}
 
 	private JarEntry getContainedEntry(ZipEntry zipEntry) throws IOException {
@@ -416,7 +418,7 @@ public class JarFile extends java.util.jar.JarFile implements Iterable<JarEntryD
 	 */
 	public URL getUrl() throws MalformedURLException {
 		Handler handler = new Handler(this);
-		String file = "file:" + getName(PathForm.SYSTEM_INDEPENDENT) + "!/";
+		String file = this.rootFile.getFile().toURI() + this.pathFromRoot + "!/";
 		return new URL("jar", "", -1, file, handler);
 	}
 
@@ -427,15 +429,8 @@ public class JarFile extends java.util.jar.JarFile implements Iterable<JarEntryD
 
 	@Override
 	public String getName() {
-		return getName(PathForm.SYSTEM_DEPENDENT);
-	}
-
-	private String getName(PathForm pathForm) {
-		if (pathForm == PathForm.SYSTEM_INDEPENDENT && File.separatorChar != '/') {
-			return this.name.replace(File.separatorChar, '/');
-		}
-		return this.name;
-
+		String path = this.pathFromRoot;
+		return this.rootFile.getFile() + path;
 	}
 
 	/**
@@ -463,20 +458,4 @@ public class JarFile extends java.util.jar.JarFile implements Iterable<JarEntryD
 		}
 	}
 
-	/**
-	 * Different forms that paths can be returned.
-	 */
-	private static enum PathForm {
-
-		/**
-		 * Use system dependent paths (i.e. include backslashes on Windows)
-		 */
-		SYSTEM_DEPENDENT,
-
-		/**
-		 * Use system independent paths (i.e. replace backslashes on Windows)
-		 */
-		SYSTEM_INDEPENDENT
-	}
-
 }
diff --git a/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/archive/ExplodedArchiveTests.java b/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/archive/ExplodedArchiveTests.java
index 4034ceb4f3..4031a669a9 100644
--- a/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/archive/ExplodedArchiveTests.java
+++ b/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/archive/ExplodedArchiveTests.java
@@ -113,9 +113,8 @@ public class ExplodedArchiveTests {
 	public void getNestedArchive() throws Exception {
 		Entry entry = getEntriesMap(this.archive).get("nested.jar");
 		Archive nested = this.archive.getNestedArchive(entry);
-		assertThat(nested.getUrl().toString(),
-				equalTo("jar:file:" + this.rootFolder.getPath() + File.separator
-						+ "nested.jar!/"));
+		assertThat(nested.getUrl().toString(), equalTo("jar:" + this.rootFolder.toURI()
+				+ "nested.jar!/"));
 	}
 
 	@Test
diff --git a/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/archive/JarFileArchiveTests.java b/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/archive/JarFileArchiveTests.java
index ff8f7e1a38..ebb48e8d4b 100644
--- a/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/archive/JarFileArchiveTests.java
+++ b/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/archive/JarFileArchiveTests.java
@@ -48,6 +48,8 @@ public class JarFileArchiveTests {
 
 	private JarFileArchive archive;
 
+	private String rootJarFileUrl;
+
 	@Before
 	public void setup() throws Exception {
 		setup(false);
@@ -55,6 +57,8 @@ public class JarFileArchiveTests {
 
 	private void setup(boolean unpackNested) throws Exception {
 		this.rootJarFile = this.temporaryFolder.newFile();
+		this.rootJarFileUrl = rootJarFile.toURI().toString();
+		System.out.println(rootJarFileUrl);
 		TestJarCreator.createTestJar(this.rootJarFile, unpackNested);
 		this.archive = new JarFileArchive(this.rootJarFile);
 	}
@@ -74,7 +78,7 @@ public class JarFileArchiveTests {
 	@Test
 	public void getUrl() throws Exception {
 		URL url = this.archive.getUrl();
-		assertThat(url.toString(), equalTo("jar:file:" + this.rootJarFile.getPath()
+		assertThat(url.toString(), equalTo("jar:" + this.rootJarFileUrl
 				+ "!/"));
 	}
 
@@ -83,7 +87,7 @@ public class JarFileArchiveTests {
 		Entry entry = getEntriesMap(this.archive).get("nested.jar");
 		Archive nested = this.archive.getNestedArchive(entry);
 		assertThat(nested.getUrl().toString(),
-				equalTo("jar:file:" + this.rootJarFile.getPath() + "!/nested.jar!/"));
+				equalTo("jar:" + this.rootJarFileUrl + "!/nested.jar!/"));
 	}
 
 	@Test
diff --git a/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/jar/JarFileTests.java b/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/jar/JarFileTests.java
index a133b7ee82..5a45334f34 100644
--- a/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/jar/JarFileTests.java
+++ b/spring-boot-tools/spring-boot-loader/src/test/java/org/springframework/boot/loader/jar/JarFileTests.java
@@ -97,6 +97,7 @@ public class JarFileTests {
 		assertThat(urlClassLoader.getResource("special/\u00EB.dat"), notNullValue());
 		assertThat(urlClassLoader.getResource("d/9.dat"), notNullValue());
 		jarFile.close();
+
 	}
 
 	@Test
@@ -180,23 +181,21 @@ public class JarFileTests {
 	@Test
 	public void getUrl() throws Exception {
 		URL url = this.jarFile.getUrl();
-		assertThat(url.toString(), equalTo("jar:file:" + this.rootJarFile.getPath()
-				+ "!/"));
+		assertThat(url.toString(), equalTo("jar:" + this.rootJarFile.toURI() + "!/"));
 		JarURLConnection jarURLConnection = (JarURLConnection) url.openConnection();
 		assertThat(jarURLConnection.getJarFile(), sameInstance(this.jarFile));
 		assertThat(jarURLConnection.getJarEntry(), nullValue());
 		assertThat(jarURLConnection.getContentLength(), greaterThan(1));
 		assertThat(jarURLConnection.getContent(), sameInstance((Object) this.jarFile));
 		assertThat(jarURLConnection.getContentType(), equalTo("x-java/jar"));
-		assertThat(jarURLConnection.getJarFileURL().toString(), equalTo("file:"
-				+ this.rootJarFile));
+		assertThat(jarURLConnection.getJarFileURL().toURI(),
+				equalTo(this.rootJarFile.toURI()));
 	}
 
 	@Test
 	public void createEntryUrl() throws Exception {
 		URL url = new URL(this.jarFile.getUrl(), "1.dat");
-		assertThat(url.toString(), equalTo("jar:file:" + this.rootJarFile.getPath()
-				+ "!/1.dat"));
+		assertThat(url.toString(), equalTo("jar:" + this.rootJarFile.toURI() + "!/1.dat"));
 		JarURLConnection jarURLConnection = (JarURLConnection) url.openConnection();
 		assertThat(jarURLConnection.getJarFile(), sameInstance(this.jarFile));
 		assertThat(jarURLConnection.getJarEntry(),
@@ -209,7 +208,7 @@ public class JarFileTests {
 	@Test
 	public void getMissingEntryUrl() throws Exception {
 		URL url = new URL(this.jarFile.getUrl(), "missing.dat");
-		assertThat(url.toString(), equalTo("jar:file:" + this.rootJarFile.getPath()
+		assertThat(url.toString(), equalTo("jar:" + this.rootJarFile.toURI()
 				+ "!/missing.dat"));
 		this.thrown.expect(FileNotFoundException.class);
 		((JarURLConnection) url.openConnection()).getJarEntry();
@@ -251,12 +250,12 @@ public class JarFileTests {
 		assertThat(inputStream.read(), equalTo(-1));
 
 		URL url = nestedJarFile.getUrl();
-		assertThat(url.toString(), equalTo("jar:file:" + this.rootJarFile.getPath()
+		assertThat(url.toString(), equalTo("jar:" + this.rootJarFile.toURI()
 				+ "!/nested.jar!/"));
 		JarURLConnection conn = (JarURLConnection) url.openConnection();
 		assertThat(conn.getJarFile(), sameInstance(nestedJarFile));
-		assertThat(conn.getJarFileURL().toString(), equalTo("jar:file:"
-				+ this.rootJarFile.getPath() + "!/nested.jar"));
+		assertThat(conn.getJarFileURL().toString(),
+				equalTo("jar:" + this.rootJarFile.toURI() + "!/nested.jar"));
 	}
 
 	@Test
@@ -274,8 +273,7 @@ public class JarFileTests {
 		assertThat(inputStream.read(), equalTo(-1));
 
 		URL url = nestedJarFile.getUrl();
-		assertThat(url.toString(), equalTo("jar:file:" + this.rootJarFile.getPath()
-				+ "!/d!/"));
+		assertThat(url.toString(), equalTo("jar:" + this.rootJarFile.toURI() + "!/d!/"));
 		assertThat(((JarURLConnection) url.openConnection()).getJarFile(),
 				sameInstance(nestedJarFile));
 	}
@@ -285,7 +283,7 @@ public class JarFileTests {
 		JarFile nestedJarFile = this.jarFile.getNestedJarFile(this.jarFile
 				.getEntry("nested.jar"));
 		URL url = nestedJarFile.getJarEntry("3.dat").getUrl();
-		assertThat(url.toString(), equalTo("jar:file:" + this.rootJarFile.getPath()
+		assertThat(url.toString(), equalTo("jar:" + this.rootJarFile.toURI()
 				+ "!/nested.jar!/3.dat"));
 		InputStream inputStream = url.openStream();
 		assertThat(inputStream, notNullValue());
@@ -295,7 +293,7 @@ public class JarFileTests {
 	@Test
 	public void createUrlFromString() throws Exception {
 		JarFile.registerUrlProtocolHandler();
-		String spec = "jar:file:" + this.rootJarFile.getPath() + "!/nested.jar!/3.dat";
+		String spec = "jar:" + this.rootJarFile.toURI() + "!/nested.jar!/3.dat";
 		URL url = new URL(spec);
 		assertThat(url.toString(), equalTo(spec));
 		InputStream inputStream = url.openStream();
@@ -303,15 +301,15 @@ public class JarFileTests {
 		assertThat(inputStream.read(), equalTo(3));
 		JarURLConnection connection = (JarURLConnection) url.openConnection();
 		assertThat(connection.getURL().toString(), equalTo(spec));
-		assertThat(connection.getJarFileURL().toString(), equalTo("jar:file:"
-				+ this.rootJarFile.getPath() + "!/nested.jar"));
+		assertThat(connection.getJarFileURL().toString(), equalTo("jar:"
+				+ this.rootJarFile.toURI() + "!/nested.jar"));
 		assertThat(connection.getEntryName(), equalTo("3.dat"));
 	}
 
 	@Test
 	public void createNonNestedUrlFromString() throws Exception {
 		JarFile.registerUrlProtocolHandler();
-		String spec = "jar:file:" + this.rootJarFile.getPath() + "!/2.dat";
+		String spec = "jar:" + this.rootJarFile.toURI() + "!/2.dat";
 		URL url = new URL(spec);
 		assertThat(url.toString(), equalTo(spec));
 		InputStream inputStream = url.openStream();
@@ -319,8 +317,7 @@ public class JarFileTests {
 		assertThat(inputStream.read(), equalTo(2));
 		JarURLConnection connection = (JarURLConnection) url.openConnection();
 		assertThat(connection.getURL().toString(), equalTo(spec));
-		assertThat(connection.getJarFileURL().toString(), equalTo("file:"
-				+ this.rootJarFile.getPath()));
+		assertThat(connection.getJarFileURL().toURI(), equalTo(this.rootJarFile.toURI()));
 		assertThat(connection.getEntryName(), equalTo("2.dat"));
 	}