diff --git a/packages/server/src/utilities/queue/inMemoryQueue.js b/packages/server/src/utilities/queue/inMemoryQueue.js
index 620b65cf38..79781f9283 100644
--- a/packages/server/src/utilities/queue/inMemoryQueue.js
+++ b/packages/server/src/utilities/queue/inMemoryQueue.js
@@ -113,6 +113,10 @@ class InMemoryQueue {
   async getJob() {
     return {}
   }
+
+  on() {
+    // do nothing
+  }
 }
 
 module.exports = InMemoryQueue