diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c
index 5458e2b1c125..81e7f64c1739 100644
--- a/drivers/tty/amiserial.c
+++ b/drivers/tty/amiserial.c
@@ -12,7 +12,7 @@
  * (non hardware specific) changes to serial.c.
  *
  * The port is registered with the tty driver as minor device 64, and
- * therefore other ports should should only use 65 upwards.
+ * therefore other ports should only use 65 upwards.
  *
  * Richard Lucock 28/12/99
  *