diff --git a/cook.sh b/cook.sh
index 975d07f08..469889136 100755
--- a/cook.sh
+++ b/cook.sh
@@ -173,6 +173,7 @@ function op {
             popd > /dev/null
             ;;
         stage)
+            op $1 unstage
             mkdir -p stage
             pushd build > /dev/null
             skip=0