diff --git a/apps/api/src/graphql/schema/study-rooms.ts b/apps/api/src/graphql/schema/study-rooms.ts
index 42c1abe..4337c09 100644
--- a/apps/api/src/graphql/schema/study-rooms.ts
+++ b/apps/api/src/graphql/schema/study-rooms.ts
@@ -14,7 +14,7 @@ export const studyRoomsGraphQLSchema = `#graphql
     description: String
     directions: String
     techEnhanced: Boolean!
-    slots: [Slot]
+    slots: [Slot]!
   }
 
   input StudyRoomsQuery {
diff --git a/apps/api/src/schema/study-rooms.ts b/apps/api/src/schema/study-rooms.ts
index e6c0e28..6905464 100644
--- a/apps/api/src/schema/study-rooms.ts
+++ b/apps/api/src/schema/study-rooms.ts
@@ -15,7 +15,7 @@ export const studyRoomSchema = z.object({
   description: z.string().optional(),
   directions: z.string().optional(),
   techEnhanced: z.boolean(),
-  slots: z.array(slotSchema).optional(),
+  slots: z.array(slotSchema),
 });
 
 export const studyRoomsPathSchema = z.object({