diff --git a/js/gdm/authPrompt.js b/js/gdm/authPrompt.js
index 465cb3dfc..88ed2a689 100644
--- a/js/gdm/authPrompt.js
+++ b/js/gdm/authPrompt.js
@@ -258,6 +258,7 @@ const AuthPrompt = new Lang.Class({
     },
 
     _onVerificationComplete: function() {
+        this.setActorInDefaultButtonWell(null);
         this.verificationStatus = AuthPromptStatus.VERIFICATION_SUCCEEDED;
 	this.cancelButton.reactive = false;
     },