diff --git a/py-scripts/test_l3_WAN_LAN.py b/py-scripts/test_l3_WAN_LAN.py
index 0e22ea85..424897f5 100755
--- a/py-scripts/test_l3_WAN_LAN.py
+++ b/py-scripts/test_l3_WAN_LAN.py
@@ -88,7 +88,8 @@ class VRTest(LFCliBase):
                             cx_rx_map[item] = value_rx
         return cx_rx_map
 
-    def __compare_vals(self, old_list, new_list):
+    @staticmethod
+    def __compare_vals(old_list, new_list):
         passes = 0
         expected_passes = 0
         if len(old_list) == len(new_list):