diff --git a/src/generator.c b/src/generator.c
index 4a7bd6d4..1fd029f1 100644
--- a/src/generator.c
+++ b/src/generator.c
@@ -1409,7 +1409,8 @@ out:
 		Close(cs->fd);
 	} else {
 		keep_sockalive(cs->fd);
-		send_subscribe(ckp, proxi);
+		if (!ckp->passthrough)
+			send_subscribe(ckp, proxi);
 	}
 	return ret;
 }