diff --git a/apps/openstackswitching/src/main/java/org/onosproject/openstackswitching/OpenstackSwitchingManager.java b/apps/openstackswitching/src/main/java/org/onosproject/openstackswitching/OpenstackSwitchingManager.java
index 4be8a50..6cc431d 100644
--- a/apps/openstackswitching/src/main/java/org/onosproject/openstackswitching/OpenstackSwitchingManager.java
+++ b/apps/openstackswitching/src/main/java/org/onosproject/openstackswitching/OpenstackSwitchingManager.java
@@ -303,7 +303,7 @@
                 .filter(s -> s.networkId().equals(port.networkId()))
                 .findFirst().get();
         if (subnet == null) {
-            log.debug("No subnet information for network {}", subnet.id());
+            log.debug("No subnet information for network {}", port.networkId());
             return null;
         }