diff --git a/platform/core-impl/src/com/intellij/openapi/vfs/impl/jar/CoreJarVirtualFile.java b/platform/core-impl/src/com/intellij/openapi/vfs/impl/jar/CoreJarVirtualFile.java
index e0c4af1adc4a..25286f8b820e 100644
--- a/platform/core-impl/src/com/intellij/openapi/vfs/impl/jar/CoreJarVirtualFile.java
+++ b/platform/core-impl/src/com/intellij/openapi/vfs/impl/jar/CoreJarVirtualFile.java
@@ -58,7 +58,15 @@ public class CoreJarVirtualFile extends VirtualFile {
   @Override
   public String getPath() {
     if (myParent == null) return myHandler.myBasePath + "!/";
-    return myParent.getPath() + "/" + myEntry.shortName;
+
+    String parentPath = myParent.getPath();
+    StringBuilder answer = new StringBuilder(parentPath.length() + 1 + myEntry.shortName.length());
+    if (answer.charAt(answer.length() - 1) != '/') {
+      answer.append('/');
+    }
+    answer.append(myEntry.shortName);
+    
+    return answer.toString();
   }
 
   @Override