diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c
index c5319232a5..cfc6951d23 100644
--- a/builtin/fetch-pack.c
+++ b/builtin/fetch-pack.c
@@ -293,5 +293,6 @@ int cmd_fetch_pack(int argc,
 	free(sought);
 	free_refs(fetched_refs);
 	free_refs(remote_refs);
+	list_objects_filter_release(&args.filter_options);
 	return ret;
 }
diff --git a/t/t5500-fetch-pack.sh b/t/t5500-fetch-pack.sh
index 585ea0ee16..605f17240c 100755
--- a/t/t5500-fetch-pack.sh
+++ b/t/t5500-fetch-pack.sh
@@ -8,6 +8,7 @@ test_description='Testing multi_ack pack fetching'
 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 # Test fetch-pack/upload-pack pair.