diff --git a/configure b/configure
index 35e0b28198..dec6f03034 100755
--- a/configure
+++ b/configure
@@ -2425,7 +2425,7 @@ else
     cxx=
 fi
 
-if !(GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then
+if ! (GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then
     exit 1
 fi