diff --git a/src/app/components/plugin-manager-proxy.js b/src/app/components/plugin-manager-proxy.js
index 444a5f9f0c..c5fea01c10 100644
--- a/src/app/components/plugin-manager-proxy.js
+++ b/src/app/components/plugin-manager-proxy.js
@@ -21,7 +21,7 @@ class PluginManagerProxy {
 
   unregister (instance) {
     if (!this._listener) {
-      instance.events.on('compilationFinished', this._listener)
+      instance.events.off('compilationFinished', this._listener)
     }
   }