diff --git a/packages/url-manager/src/URLManager.ts b/packages/url-manager/src/URLManager.ts
index bb2c245..77cae16 100644
--- a/packages/url-manager/src/URLManager.ts
+++ b/packages/url-manager/src/URLManager.ts
@@ -195,7 +195,7 @@ export default class URLManager {
 		}
 		if (val === null) {
 			delete this._domain
-      return this
+			return this
 		}
 		this._domain = val
 		return this