diff --git a/scripts/yt b/scripts/yt
index eeaa914..d334c10 100755
--- a/scripts/yt
+++ b/scripts/yt
@@ -26,7 +26,7 @@ cache () {
 }
 err () {
   printf "err: %s\n" ${1}
-  [ -z ${2} ] 2=1
+  [ -z "${2}" ] 2=1
   exit ${2}
 }
 sync () {