diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 7bce9a0112..7b1bbb90ce 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -3506,6 +3506,7 @@ fi
 __git_func_wrap ()
 {
 	local cur words cword prev
+	local __git_cmd_idx=0
 	_get_comp_words_by_ref -n =: cur words cword prev
 	$1
 }