diff --git a/xpcom/io/nsDirectoryService.cpp b/xpcom/io/nsDirectoryService.cpp
index d9b404bd710..c6dd98bb8d0 100644
--- a/xpcom/io/nsDirectoryService.cpp
+++ b/xpcom/io/nsDirectoryService.cpp
@@ -247,6 +247,7 @@ nsDirectoryService::GetCurrentProcessDirectory(nsILocalFile** aFile)
     if (moz5)
     {
         localFile->InitWithPath(moz5);
+        localFile->Normalize();
         *aFile = localFile;
         return NS_OK;
     }