diff --git a/frontend/src/scripts/types/interfaces.ts b/frontend/src/scripts/types/interfaces.ts
index 660901a09..ee6cc8442 100644
--- a/frontend/src/scripts/types/interfaces.ts
+++ b/frontend/src/scripts/types/interfaces.ts
@@ -206,7 +206,7 @@ export declare interface Result {
   bailedOut?: boolean;
   blindMode?: boolean;
   lazyMode?: boolean;
-  difficulty?: Difficulty;
+  difficulty: Difficulty;
   funbox?: string;
   language: string;
   numbers?: boolean;