diff --git a/src/main/org/apache/tools/ant/taskdefs/optional/TraXLiaison.java b/src/main/org/apache/tools/ant/taskdefs/optional/TraXLiaison.java
index 54ea857a2..38f5973df 100644
--- a/src/main/org/apache/tools/ant/taskdefs/optional/TraXLiaison.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/TraXLiaison.java
@@ -104,7 +104,7 @@ public class TraXLiaison implements XSLTLiaison {
 
     protected String normalize(String fileName) {
         if(fileName != null && !fileName.startsWith(FILEURL)) {
-            return FILEURL + fileName;
+            return FILEURL + "///" + fileName;
         }
         return fileName;
     }