diff --git a/tools/perpare-gump.sh b/tools/perpare-gump.sh
new file mode 100644
index 0000000..746b272
--- /dev/null
+++ b/tools/perpare-gump.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+# $Id$
+
+rm -rf ../milsko-linux
+rm -rf ../milsko-win32
+rm -rf ../milsko-win64
+
+mkdir -p ../milsko-linux ../milsko-win32 ../milsko-win64