diff --git a/spring-cloud-config-client/src/main/java/org/springframework/cloud/config/client/ConfigServicePropertySourceLocator.java b/spring-cloud-config-client/src/main/java/org/springframework/cloud/config/client/ConfigServicePropertySourceLocator.java
index 11fdd8f4..5adcf222 100644
--- a/spring-cloud-config-client/src/main/java/org/springframework/cloud/config/client/ConfigServicePropertySourceLocator.java
+++ b/spring-cloud-config-client/src/main/java/org/springframework/cloud/config/client/ConfigServicePropertySourceLocator.java
@@ -176,6 +176,9 @@ public class ConfigServicePropertySourceLocator implements PropertySourceLocator
 
 		Object[] args = new String[] { name, profile };
 		if (StringUtils.hasText(label)) {
+			if (label.contains("/")) {
+				label = label.replace("/", "(_)");
+			}
 			args = new String[] { name, profile, label };
 			path = path + "/{label}";
 		}
diff --git a/spring-cloud-config-client/src/test/java/org/springframework/cloud/config/client/ConfigServicePropertySourceLocatorTests.java b/spring-cloud-config-client/src/test/java/org/springframework/cloud/config/client/ConfigServicePropertySourceLocatorTests.java
index 7087d32c..71ca4182 100644
--- a/spring-cloud-config-client/src/test/java/org/springframework/cloud/config/client/ConfigServicePropertySourceLocatorTests.java
+++ b/spring-cloud-config-client/src/test/java/org/springframework/cloud/config/client/ConfigServicePropertySourceLocatorTests.java
@@ -67,6 +67,17 @@ public class ConfigServicePropertySourceLocatorTests {
 		assertNotNull(this.locator.locate(this.environment));
 	}
 
+	@Test
+	public void sunnyDayWithLabelThatContainsASlash() {
+		Environment body = new Environment("app", "master");
+		mockRequestResponseWithLabel(
+			new ResponseEntity<>(body, HttpStatus.OK), "release(_)v1.0.0");
+		this.locator.setRestTemplate(this.restTemplate);
+		EnvironmentTestUtils.addEnvironment(this.environment,
+			"spring.cloud.config.label:release/v1.0.0");
+		assertNotNull(this.locator.locate(this.environment));
+	}
+
 	@Test
 	public void sunnyDayWithNoSuchLabel() {
 		mockRequestResponseWithLabel(new ResponseEntity<Void>((Void) null,
@@ -235,4 +246,13 @@ public class ConfigServicePropertySourceLocatorTests {
 						Mockito.any(Class.class), Matchers.anyString(),
 						Matchers.anyString())).thenReturn(response);
 	}
+
+	@SuppressWarnings("unchecked")
+	private void mockRequestResponseWithoutLabelWithExpectedName(ResponseEntity<?> response, String expectedName) {
+		Mockito.when(
+			this.restTemplate.exchange(Mockito.any(String.class),
+				Mockito.any(HttpMethod.class), Mockito.any(HttpEntity.class),
+				Mockito.any(Class.class), Matchers.eq(expectedName),
+				Matchers.anyString())).thenReturn(response);
+	}
 }