diff --git a/git-submodule.sh b/git-submodule.sh
index 89f915cae9..08e0439df0 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -48,6 +48,8 @@ depth=
 progress=
 dissociate=
 single_branch=
+jobs=
+recommend_shallow=
 
 die_if_unmatched ()
 {