diff --git a/lib/www/client/source/src/store/modules/notify/actions.js b/lib/www/client/source/src/store/modules/notify/actions.js
index 24cffc9..87bf8d4 100644
--- a/lib/www/client/source/src/store/modules/notify/actions.js
+++ b/lib/www/client/source/src/store/modules/notify/actions.js
@@ -16,17 +16,17 @@ function old_processServerEvent({state, getters, commit, dispatch}, [message]) {
   commit("setServerEvent", message);
 
   if (!message) {
-    console.warn("processServerEvent called without arguments");
+    console.error("processServerEvent called without arguments");
     return;
   }
 
   if (!message.channel) {
-    console.warn("processServerEvent message missing channel");
+    console.error("processServerEvent message missing channel");
     return;
   }
 
   if (!message.payload) {
-    console.warn("processServerEvent message missing payload");
+    console.error("processServerEvent message missing payload");
     return;
   }
 
@@ -42,7 +42,7 @@ function old_processServerEvent({state, getters, commit, dispatch}, [message]) {
     if (message.payload.old == null) {
       console.warn("Expected payload.old to be non-null");
     }
-  } else {
+  } else if (message.payload.operation) {
     console.warn(`Unrecognised operation: ${message.payload.operation}`);
   }