diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index 1c85039d021f14024b718f751f8d7122b6dc50eb..318d69dce8e1351f72cf1c100c0eba4b508cf54f 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -219,6 +219,7 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart)
 			return;
 
  known_good_char:
+			status &= ~BI;
 			anomaly_start.tv_sec = 0;
 		}
 	}