diff --git a/tests/common/devices.py b/tests/common/devices.py
index 0f5cfd166b1..4c67738c7d9 100644
--- a/tests/common/devices.py
+++ b/tests/common/devices.py
@@ -484,7 +484,7 @@ def get_ip_route_info(self, dstip):
         if m:
             rtinfo['set_src'] = ipaddress.ip_address(m.group(2))
         elif m1:
-            rtinfo['set_src'] = ipaddress.ip_address(m.group(3))
+            rtinfo['set_src'] = ipaddress.ip_address(m1.group(3))
 
         # parse nexthops
         for l in rt: