diff --git a/app/Http/Controllers/Admin/AdminInstanceController.php b/app/Http/Controllers/Admin/AdminInstanceController.php
index 43a429791..295875abb 100644
--- a/app/Http/Controllers/Admin/AdminInstanceController.php
+++ b/app/Http/Controllers/Admin/AdminInstanceController.php
@@ -126,6 +126,8 @@ trait AdminInstanceController
 				break;
 		}
 
+		Cache::forget('instances:banned:domains');
+
 		return response()->json([]);
 	}
 }