diff --git a/components/mdns/mdns.c b/components/mdns/mdns.c
index 49574dfbd7..943e75edeb 100644
--- a/components/mdns/mdns.c
+++ b/components/mdns/mdns.c
@@ -4295,8 +4295,10 @@ void mdns_parse_packet(mdns_rx_packet_t *packet)
             debug_printf_browse_result_all(out_sync_browse->sync_result->result);
 #endif // MDNS_ENABLE_DEBUG
             _mdns_sync_browse_action(ACTION_BROWSE_SYNC, out_sync_browse);
+            out_sync_browse = NULL;
         } else {
             free(out_sync_browse);
+            out_sync_browse = NULL;
         }
     }