diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 3c5739b905..b50c5d0ea3 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1306,7 +1306,7 @@ __git_count_arguments ()
 	local word i c=0
 
 	# Skip "git" (first argument)
-	for ((i="$__git_cmd_idx"; i < ${#words[@]}; i++)); do
+	for ((i=$__git_cmd_idx; i < ${#words[@]}; i++)); do
 		word="${words[i]}"
 
 		case "$word" in
diff --git a/contrib/completion/git-completion.zsh b/contrib/completion/git-completion.zsh
index 6c56296997..cac6f61881 100644
--- a/contrib/completion/git-completion.zsh
+++ b/contrib/completion/git-completion.zsh
@@ -251,7 +251,7 @@ __git_zsh_main ()
 		done
 		;;
 	(arg)
-		local command="${words[1]}" __git_dir
+		local command="${words[1]}" __git_dir __git_cmd_idx=1
 
 		if (( $+opt_args[--bare] )); then
 			__git_dir='.'