diff --git a/opentracker.c b/opentracker.c
index 2e46fa1..bfe030c 100644
--- a/opentracker.c
+++ b/opentracker.c
@@ -650,6 +650,7 @@ static void handle_timeouted( void ) {
       array_reset( &h->request );
       free( h );
     }
+    iob_reset( &h->batch );
     io_close(i);
   }
 }