diff --git a/bin/rbenv-rehash b/bin/rbenv-rehash
old mode 100755
new mode 100644
index 7f1e9918..1d42bce9
--- a/bin/rbenv-rehash
+++ b/bin/rbenv-rehash
@@ -8,7 +8,7 @@ for file in ../versions/*/bin/*; do
   shim="${file##*/}"
   cat > "$shim" <<SH
 #!/bin/sh
-exec rbenv exec $shim \$@
+exec rbenv exec $shim "\$@"
 SH
   chmod +x "$shim"
 done