diff --git a/src/forward.c b/src/forward.c
index ab9df26..5ff4e86 100644
--- a/src/forward.c
+++ b/src/forward.c
@@ -366,6 +366,12 @@
 	  src->log_id = daemon->log_id;
 	  src->iface = dst_iface;
 	  src->fd = udpfd;
+
+	  /* closely spaced identical queries cannot be a try and a retry, so
+	     it's safe to wait for the reply from the first without
+	     forwarding the second. */
+	  if (difftime(now, forward->time) < 2)
+	    return 0;
 	}
     }