diff --git a/packages/backend/test/misc/mock-resolver.ts b/packages/backend/test/misc/mock-resolver.ts
index 8b21d381d3..fd726b1fcd 100644
--- a/packages/backend/test/misc/mock-resolver.ts
+++ b/packages/backend/test/misc/mock-resolver.ts
@@ -56,7 +56,7 @@ export class MockResolver extends Resolver {
 		const r = this._rs.get(value);
 
 		if (!r) {
-			throw new Error('Not registed for mock');
+			throw new Error('Not registered for mock');
 		}
 
 		const object = JSON.parse(r.content);