diff --git a/app/modules/crawler/lib/crawler.ts b/app/modules/crawler/lib/crawler.ts
index 3f7183b287553191e62854c2da462ef1c68782a7..93a33b858c9ea27dcb01c339850617fc38b3471d 100644
--- a/app/modules/crawler/lib/crawler.ts
+++ b/app/modules/crawler/lib/crawler.ts
@@ -64,6 +64,11 @@ export class Crawler extends stream.Transform implements DuniterService {
       this.sandboxCrawler.stopService()
     ])
   }
+
+  // Unused
+  _write(str:string, enc:any, done:any) {
+    done && done();
+  };
 }
 
 export class PeerCrawler implements DuniterService {