diff --git a/acl_loader/main.py b/acl_loader/main.py
index c50efec032..d250be68f6 100644
--- a/acl_loader/main.py
+++ b/acl_loader/main.py
@@ -147,9 +147,9 @@ def __init__(self):
 
         namespaces = multi_asic.get_all_namespaces()
         for front_asic_namespaces in namespaces['front_ns']:
-            self.per_npu_configdb[front_asic_namespaces] = ConfigDBConnector(use_unix_socket_path=True, namespace=front_asic_namespaces)
+            self.per_npu_configdb[front_asic_namespaces] = ConfigDBConnector(namespace=front_asic_namespaces)
             self.per_npu_configdb[front_asic_namespaces].connect()
-            self.per_npu_statedb[front_asic_namespaces] = SonicV2Connector(use_unix_socket_path=True, namespace=front_asic_namespaces)
+            self.per_npu_statedb[front_asic_namespaces] = SonicV2Connector(namespace=front_asic_namespaces)
             self.per_npu_statedb[front_asic_namespaces].connect(self.per_npu_statedb[front_asic_namespaces].STATE_DB)
 
         self.read_tables_info()
diff --git a/tests/acl_loader_test.py b/tests/acl_loader_test.py
index 20b7283319..57c49b41c9 100644
--- a/tests/acl_loader_test.py
+++ b/tests/acl_loader_test.py
@@ -1,3 +1,4 @@
+import importlib
 import sys
 import os
 import pytest
@@ -217,3 +218,43 @@ def test_incremental_update(self, acl_loader):
         acl_loader.load_rules_from_file(os.path.join(test_path, 'acl_input/incremental_2.json'))
         acl_loader.incremental_update()
         assert acl_loader.rules_info[(('NTP_ACL', 'RULE_1'))]["PACKET_ACTION"] == "DROP"
+
+
+
+class TestMasicAclLoader(object):
+
+
+    @pytest.fixture(scope="class")
+    def acl_loader(self):
+        from .mock_tables import mock_multi_asic
+        importlib.reload(mock_multi_asic)
+        from .mock_tables import dbconnector
+        dbconnector.load_namespace_config()
+
+        with mock.patch("sonic_py_common.multi_asic.get_all_namespaces",
+                        mock.MagicMock(return_value={'front_ns': ['asic0', 'asic1'], 'back_ns': '', 'fabric_ns': ''})):
+            yield AclLoader()
+
+        # mock single asic to avoid affecting other tests
+        from .mock_tables import mock_single_asic
+        importlib.reload(mock_single_asic)
+
+    def test_check_npu_db(self, acl_loader):
+        assert len(acl_loader.per_npu_configdb) == 2
+        assert len(acl_loader.per_npu_statedb) == 2
+
+    def test_incremental_update(self, acl_loader):
+        acl_loader.rules_info = {}
+        acl_loader.tables_db_info['NTP_ACL'] = {
+            "stage": "INGRESS",
+            "type": "CTRLPLANE"
+        }
+        acl_loader.load_rules_from_file(os.path.join(test_path, 'acl_input/incremental_1.json'))
+        acl_loader.rules_db_info = acl_loader.rules_info
+        assert acl_loader.rules_info[(('NTP_ACL', 'RULE_1'))]["PACKET_ACTION"] == "ACCEPT"
+        for configdb in acl_loader.per_npu_configdb.values():
+            configdb.mod_entry = mock.MagicMock(return_value=True)
+            configdb.set_entry = mock.MagicMock(return_value=True)
+        acl_loader.load_rules_from_file(os.path.join(test_path, 'acl_input/incremental_2.json'))
+        acl_loader.incremental_update()
+        assert acl_loader.rules_info[(('NTP_ACL', 'RULE_1'))]["PACKET_ACTION"] == "DROP"