diff --git a/t/t1308-config-set.sh b/t/t1308-config-set.sh
index ff50960cca..69a0aa56d6 100755
--- a/t/t1308-config-set.sh
+++ b/t/t1308-config-set.sh
@@ -215,7 +215,9 @@ test_expect_success 'check line errors for malformed values' '
 		br
 	EOF
 	test_expect_code 128 git br 2>result &&
-	test_i18ngrep "fatal: .*alias\.br.*\.git/config.*line 2" result
+	test_i18ngrep "missing value for .alias\.br" result &&
+	test_i18ngrep "fatal: .*\.git/config" result &&
+	test_i18ngrep "fatal: .*line 2" result
 '
 
 test_expect_success 'error on modifying repo config without repo' '