diff --git a/src/main/java/info/istlab/IoTP/MyFile.java b/src/main/java/info/istlab/IoTP/MyFile.java
index 7851c77..129406f 100644
--- a/src/main/java/info/istlab/IoTP/MyFile.java
+++ b/src/main/java/info/istlab/IoTP/MyFile.java
@@ -8,7 +8,11 @@
     }
 
     public String toString() {
-        return super.toString().replaceAll(App.workingDir+File.pathSeparator, "");
+        String d = new String(App.workingDir);
+        if (d.contains("\\")){
+            d = d.replace("\\","\\\\");
+        }
+        return super.toString().replaceAll(d+File.pathSeparator, "");
     }
 }