diff --git a/src/tnc.c b/src/tnc.c
index b4eb0ce..1363adc 100644
--- a/src/tnc.c
+++ b/src/tnc.c
@@ -328,6 +328,9 @@ ssize_t patty_kiss_tnc_flush(patty_kiss_tnc *tnc) {
         tnc->command  = PATTY_KISS_RETURN;
         tnc->offset_o = 0;
 
+        tnc->stats.rx_frames++;
+        tnc->stats.rx_bytes += ret;
+
         return ret;
     }