diff --git a/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/restart/ChangeableUrls.java b/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/restart/ChangeableUrls.java
index a8587fd055..b8d013522d 100644
--- a/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/restart/ChangeableUrls.java
+++ b/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/restart/ChangeableUrls.java
@@ -96,7 +96,7 @@ final class ChangeableUrls implements Iterable<URL> {
 			return Collections.<URL>emptyList();
 		}
 		try {
-			return getUrlsFromClassPathAttribute(jarFile.getManifest());
+			return getUrlsFromClassPathAttribute(url, jarFile.getManifest());
 		}
 		catch (IOException ex) {
 			throw new IllegalStateException(
@@ -117,7 +117,7 @@ final class ChangeableUrls implements Iterable<URL> {
 		return null;
 	}
 
-	private static List<URL> getUrlsFromClassPathAttribute(Manifest manifest) {
+	private static List<URL> getUrlsFromClassPathAttribute(URL base, Manifest manifest) {
 		String classPath = manifest.getMainAttributes()
 				.getValue(Attributes.Name.CLASS_PATH);
 		if (!StringUtils.hasText(classPath)) {
@@ -127,7 +127,7 @@ final class ChangeableUrls implements Iterable<URL> {
 		List<URL> urls = new ArrayList<URL>(entries.length);
 		for (String entry : entries) {
 			try {
-				urls.add(new URL(entry));
+				urls.add(new URL(base, entry));
 			}
 			catch (MalformedURLException ex) {
 				throw new IllegalStateException(
diff --git a/spring-boot-devtools/src/test/java/org/springframework/boot/devtools/restart/ChangeableUrlsTests.java b/spring-boot-devtools/src/test/java/org/springframework/boot/devtools/restart/ChangeableUrlsTests.java
index f849619e2e..0e81b4fa03 100644
--- a/spring-boot-devtools/src/test/java/org/springframework/boot/devtools/restart/ChangeableUrlsTests.java
+++ b/spring-boot-devtools/src/test/java/org/springframework/boot/devtools/restart/ChangeableUrlsTests.java
@@ -75,10 +75,12 @@ public class ChangeableUrlsTests {
 	public void urlsFromJarClassPathAreConsidered() throws Exception {
 		URL projectCore = makeUrl("project-core");
 		URL projectWeb = makeUrl("project-web");
+		File relative = this.temporaryFolder.newFolder();
 		ChangeableUrls urls = ChangeableUrls.fromUrlClassLoader(new URLClassLoader(
 				new URL[] { makeJarFileWithUrlsInManifestClassPath(projectCore,
-						projectWeb) }));
-		assertThat(urls.toList()).containsExactly(projectCore, projectWeb);
+						projectWeb, relative.getName() + "/") }));
+		assertThat(urls.toList()).containsExactly(projectCore, projectWeb,
+				relative.toURI().toURL());
 	}
 
 	private URL makeUrl(String name) throws IOException {
@@ -90,7 +92,7 @@ public class ChangeableUrlsTests {
 		return file.toURI().toURL();
 	}
 
-	private URL makeJarFileWithUrlsInManifestClassPath(URL... urls) throws Exception {
+	private URL makeJarFileWithUrlsInManifestClassPath(Object... urls) throws Exception {
 		File classpathJar = this.temporaryFolder.newFile("classpath.jar");
 		Manifest manifest = new Manifest();
 		manifest.getMainAttributes().putValue(Attributes.Name.MANIFEST_VERSION.toString(),