diff --git a/app/assets/javascripts/controllers/lockScreen.js b/app/assets/javascripts/controllers/lockScreen.js
index d3f31b920..a1e07aa3b 100644
--- a/app/assets/javascripts/controllers/lockScreen.js
+++ b/app/assets/javascripts/controllers/lockScreen.js
@@ -47,7 +47,7 @@ class LockScreenCtrl {
     });
   }
 
-  submitPasscodeForm($event) {
+  submitPasscodeForm() {
     if(
       !this.formData.passcode ||
       this.formData.passcode.length === 0