diff --git a/apps/optical/src/main/java/org/onlab/onos/optical/cfg/OpticalConfigProvider.java b/apps/optical/src/main/java/org/onlab/onos/optical/cfg/OpticalConfigProvider.java
index 68db55a..325128c 100644
--- a/apps/optical/src/main/java/org/onlab/onos/optical/cfg/OpticalConfigProvider.java
+++ b/apps/optical/src/main/java/org/onlab/onos/optical/cfg/OpticalConfigProvider.java
@@ -358,7 +358,7 @@
     }
 
     @Override
-    public void triggerProbe(Device device) {
+    public void triggerProbe(DeviceId deviceId) {
         // TODO We may want to consider re-reading config files and publishing them based on this event.
     }