diff --git a/lib/git-fake-bare b/lib/git-fake-bare
index b90304d..aec9b66 100644
--- a/lib/git-fake-bare
+++ b/lib/git-fake-bare
@@ -49,7 +49,7 @@ git_fake_bare_test =
 
 git_fake_bare_update =
 	args="$@"
-	branch="$(GIT_DIR="$MR_REPO" git symbolic-ref HEAD | sed -re 's,.+/,,')"
+	branch="$(GIT_DIR="$MR_REPO" git symbolic-ref HEAD | sed -e 's,.*/,,')"
 	[ -z "$args" ] && args="-t origin $branch"
 	GIT_DIR="$MR_REPO" git pull $args