diff --git a/tests/locking.py b/tests/locking.py
index 0fe954cae..4042a1462 100644
--- a/tests/locking.py
+++ b/tests/locking.py
@@ -419,6 +419,8 @@ def test_locking_concurrent_validate_and_backup(self):
         and stop it in the middle, take page backup.
         Expect PAGE backup to be successfully executed
         """
+        self._check_gdb_flag_or_skip_test()
+
         fname = self.id().split('.')[3]
         node = self.make_simple_node(
             base_dir=os.path.join(module_name, fname, 'node'),