diff --git a/lib/functions.zsh b/lib/functions.zsh
index f95a5982..74b93f00 100644
--- a/lib/functions.zsh
+++ b/lib/functions.zsh
@@ -44,7 +44,7 @@ function tab() {
     end
     tell application "Terminal"
       activate
-      do script with command "cd $PWD; $*" in window 1
+      do script with command "cd \"$PWD\"; $*" in window 1
     end tell
 EOF
 }