diff --git a/app/modules/crawler/lib/crawler.ts b/app/modules/crawler/lib/crawler.ts
index 55735ea2fdcb9c44abba39f4afdda59218b8793f..bd4a1381242abdef30254ea4439433608892dc0b 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 {