diff --git a/spring-cloud-function-compiler/src/main/java/org/springframework/cloud/function/compiler/java/MemoryBasedJavaFileManager.java b/spring-cloud-function-compiler/src/main/java/org/springframework/cloud/function/compiler/java/MemoryBasedJavaFileManager.java
index d0f9ef126..ad30ca0a4 100644
--- a/spring-cloud-function-compiler/src/main/java/org/springframework/cloud/function/compiler/java/MemoryBasedJavaFileManager.java
+++ b/spring-cloud-function-compiler/src/main/java/org/springframework/cloud/function/compiler/java/MemoryBasedJavaFileManager.java
@@ -113,7 +113,7 @@ public class MemoryBasedJavaFileManager implements JavaFileManager {
 					if (path.startsWith("file:")) {
 						path = path.substring("file:".length());
 					}
-					builder.append(url);
+					builder.append(path);
 				}
 				return builder.toString();
 			}