diff --git a/refs.c b/refs.c
index fa943d7d64..e4fda6b4bb 100644
--- a/refs.c
+++ b/refs.c
@@ -1569,7 +1569,11 @@ struct ref_iterator *refs_ref_iterator_begin(
 			if (!len)
 				continue;
 
-			strvec_push(&normalized_exclude_patterns, pattern);
+			if (pattern[len - 1] == '/')
+				strvec_push(&normalized_exclude_patterns, pattern);
+			else
+				strvec_pushf(&normalized_exclude_patterns, "%s/",
+					     pattern);
 		}
 
 		exclude_patterns = normalized_exclude_patterns.v;
diff --git a/t/t1419-exclude-refs.sh b/t/t1419-exclude-refs.sh
index b5e01e9f45..11d6dfdb25 100755
--- a/t/t1419-exclude-refs.sh
+++ b/t/t1419-exclude-refs.sh
@@ -46,6 +46,10 @@ test_expect_success 'setup' '
 			echo "create refs/heads/$name/$i $base" || return 1
 		done || return 1
 	done >in &&
+	for i in 5 6 7
+	do
+		echo "create refs/heads/bar/4/$i $base" || return 1
+	done >>in &&
 	echo "delete refs/heads/main" >>in &&
 
 	git update-ref --stdin <in &&
@@ -92,9 +96,17 @@ test_expect_success 'adjacent, non-overlapping excluded regions' '
 	assert_jumps 1 perf
 '
 
-test_expect_success 'overlapping excluded regions' '
+test_expect_success 'non-directory excluded regions' '
 	for_each_ref__exclude refs/heads refs/heads/ba refs/heads/baz >actual 2>perf &&
-	for_each_ref refs/heads/foo refs/heads/quux >expect &&
+	for_each_ref refs/heads/bar refs/heads/foo refs/heads/quux >expect &&
+
+	test_cmp expect actual &&
+	assert_jumps 1 perf
+'
+
+test_expect_success 'overlapping excluded regions' '
+	for_each_ref__exclude refs/heads refs/heads/bar refs/heads/bar/4 >actual 2>perf &&
+	for_each_ref refs/heads/baz refs/heads/foo refs/heads/quux >expect &&
 
 	test_cmp expect actual &&
 	assert_jumps 1 perf