diff --git a/ngx_rtmp_record_module.c b/ngx_rtmp_record_module.c
index a817c6e..e54a30b 100644
--- a/ngx_rtmp_record_module.c
+++ b/ngx_rtmp_record_module.c
@@ -892,6 +892,13 @@ ngx_rtmp_record_write_frame(ngx_rtmp_session_t *s,
 
     timestamp = h->timestamp - rctx->epoch;
 
+    if ((int32_t) timestamp < 0) {
+        ngx_log_debug2(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
+                       "record: %V cut timestamp=%D", &rracf->id, timestamp);
+
+        timestamp = 0;
+    }
+
     /* write tag header */
     ph = hdr;