diff --git a/packages/backend/src/server/api/error.ts b/packages/backend/src/server/api/error.ts
index 4af16383b..176144f3e 100644
--- a/packages/backend/src/server/api/error.ts
+++ b/packages/backend/src/server/api/error.ts
@@ -36,7 +36,7 @@ export class ApiError extends Error {
 				break;
 			case 429:
 				if (typeof this.info === 'object' && typeof this.info.reset === 'number') {
-					ctx.respose.set('Retry-After', Math.floor(this.info.reset - (Date.now() / 1000)));
+					ctx.respose.set('Retry-After', Math.floor(this.info.reset - (Date.now() / 1000)));
 				}
 				break;
 		}