diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index dcbfa5e1fb341..8b494657eeefa 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -918,6 +918,7 @@ static void dma_rx_callback(void *data)
 				sport->port.icount.buf_overrun++;
 		}
 		tty_flip_buffer_push(port);
+		sport->port.icount.rx += count;
 	}
 
 	/*