diff --git a/patch_iso.sh b/patch_iso.sh
index 6cd0a41..8669786 100755
--- a/patch_iso.sh
+++ b/patch_iso.sh
@@ -150,7 +150,7 @@ fi
 # start extract -----------------------------------------------------------------
 
 if [[ $CYGWIN ]]; then
-  mkdir -p RMCE01/DATA
+  mkdir RMCE01
   cmd /C "wit extract $1 RMCE01\DATA"
   ERROR="$?"
 else