diff --git a/tools/x-win/compile.sh b/tools/x-win/compile.sh
index 00fe2737e2..57baaefefc 100755
--- a/tools/x-win/compile.sh
+++ b/tools/x-win/compile.sh
@@ -2,7 +2,7 @@
 
 # we assuem this script is <ardour-src>/tools/x-win/compile.sh
 pushd "`/usr/bin/dirname \"$0\"`" > /dev/null; this_script_dir="`pwd`"; popd > /dev/null
-cd $this_script_dir/../..
+cd "$this_script_dir/../.."
 test -f gtk2_ardour/wscript || exit 1
 
 : ${XARCH=i686} # or x86_64