diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index f83f019ca91a2611f5bd3474ccf6d10081320c4c..5e023d415b36b9be380e95e986aa87610f61f9bf 100755
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -912,7 +912,7 @@ _git_bisect ()
 	fi
 
 	case "$subcommand" in
-	bad|good|reset|skip)
+	bad|good|reset|skip|start)
 		__gitcomp "$(__git_refs)"
 		;;
 	*)