diff --git a/bin/git-contrib b/bin/git-contrib
index 0f9a6bf..77d5352 100755
--- a/bin/git-contrib
+++ b/bin/git-contrib
@@ -4,4 +4,4 @@ user="$*"
 
 test -z "$user" && echo "user name required." 1>&2 && exit 1
 
-git shortlog --author="$user"
+git shortlog --format=format:"%h %s" --author="$user"