diff --git a/test/test-lock.sh b/test/test-lock.sh
index 93cc8695..c8db4e1d 100755
--- a/test/test-lock.sh
+++ b/test/test-lock.sh
@@ -21,11 +21,11 @@ begin_test "create lock with server using client cert"
 (
   set -e
   reponame="lock_create_client_cert"
-  setup_remote_repo_with_file "$reponame" "a.dat"
+  setup_remote_repo_with_file "$reponame" "cc.dat"
 
   git config lfs.url "$CLIENTCERTGITSERVER/$reponame.git/info/lfs"
-  GITLFSLOCKSENABLED=1 git lfs lock "a.dat" | tee lock.log
-  grep "'a.dat' was locked" lock.log
+  GITLFSLOCKSENABLED=1 git lfs lock "cc.dat" | tee lock.log
+  grep "'cc.dat' was locked" lock.log
 
   id=$(grep -oh "\((.*)\)" lock.log | tr -d "()")
   assert_server_lock "$reponame" "$id"