diff --git a/ngx_rtmp_handler.c b/ngx_rtmp_handler.c
index abde383..ac78a6f 100644
--- a/ngx_rtmp_handler.c
+++ b/ngx_rtmp_handler.c
@@ -272,6 +272,13 @@ ngx_rtmp_recv(ngx_event_t *rev)
             b->last += n;
             s->in_bytes += n;
 
+            if (s->in_bytes >= 0xf0000000) {
+                ngx_log_debug0(NGX_LOG_DEBUG_RTMP, c->log, 0,
+                               "resetting byte counter");
+                s->in_bytes = 0;
+                s->in_last_ack = 0;
+            }
+
             if (s->ack_size && s->in_bytes - s->in_last_ack >= s->ack_size) {
 
                 s->in_last_ack = s->in_bytes;