diff --git a/src/util/entities/Attachment.ts b/src/util/entities/Attachment.ts
index 6aabc7c1..1141d08f 100644
--- a/src/util/entities/Attachment.ts
+++ b/src/util/entities/Attachment.ts
@@ -79,8 +79,8 @@ export class Attachment extends BaseClass {
 	signUrls(req: Request) {
 		return {
 			...this,
-			url: this.url + resignUrl(this.url, req),
-			proxy_url: this.proxy_url + resignUrl(this.proxy_url, req),
+			url: resignUrl(this.url, req),
+			proxy_url: resignUrl(this.proxy_url, req),
 		}
 	}
 }