diff --git a/src/spec/paths/buildings/entertainment.ts b/src/spec/paths/buildings/entertainment.ts
index 7af5e89..93ae10d 100644
--- a/src/spec/paths/buildings/entertainment.ts
+++ b/src/spec/paths/buildings/entertainment.ts
@@ -21,7 +21,7 @@ const buildingIdRequestBody = requestBodySchema({
 
 export const entertainment = {
   ...buildingCommonMethods(base),
-  ...buildingView(base, { ducks_quacked: { type: 'integer' } }, ['ducks_quacked']),
+  ...buildingView(base, { ducks_quacked: { type: ['integer', 'null'] } }, ['ducks_quacked']),
 
   [`${base}/get_lottery_voting_options`]: {
     post: {