diff --git a/dotfiles/zsh/rubofix.zsh b/dotfiles/zsh/rubofix.zsh
index 18336d9..50efdb7 100644
--- a/dotfiles/zsh/rubofix.zsh
+++ b/dotfiles/zsh/rubofix.zsh
@@ -1,7 +1,7 @@
 # fix rubocop errors automatically
 function rubofix() {
     TOPLEVEL="$(git rev-parse --show-toplevel)"
-    git diff --name-status $(git rev-parse origin/master)...$(git rev-parse HEAD) \
+    git diff --name-status "$(git rev-parse origin/master)...$(git rev-parse HEAD)" \
         | grep -vE '^D' \
         | grep -E '.rb$' \
         | cut -c 3- \