diff --git a/packages/backend/src/server/api/endpoints/notes/create.ts b/packages/backend/src/server/api/endpoints/notes/create.ts
index 168ce70c11..52a32b7fec 100644
--- a/packages/backend/src/server/api/endpoints/notes/create.ts
+++ b/packages/backend/src/server/api/endpoints/notes/create.ts
@@ -197,6 +197,7 @@ export const paramDef = {
 				nullable: false,
 			},
 		},
+		required: ['text'],
 	},
 } as const;