diff --git a/update.nix b/update.nix
index cd64cdc..e51a3e9 100644
--- a/update.nix
+++ b/update.nix
@@ -19,7 +19,7 @@ writeShellApplication {
     new_rev="$(svn info "$url" --show-item revision)"
     echo "NEW_REV=$new_rev"
     if [ "$new_rev" == "$old_rev" ]; then
-      #exit 0
+      exit 0
     else
       echo "DO_UPDATE=1"
     fi