diff --git a/t/t3200-branch.sh b/t/t3200-branch.sh
index ce2c5f41fd..3ca1a325d4 100755
--- a/t/t3200-branch.sh
+++ b/t/t3200-branch.sh
@@ -85,9 +85,9 @@ test_expect_failure \
 
 mv .git/config .git/config-saved
 
-test_expect_success 'git branch -m q Q without config should succeed' '
-	git-branch -m q Q &&
-	git-branch -m Q q
+test_expect_success 'git branch -m q q2 without config should succeed' '
+	git-branch -m q q2 &&
+	git-branch -m q2 q
 '
 
 mv .git/config-saved .git/config