diff --git a/drivers/staging/comedi/drivers/serial2002.c b/drivers/staging/comedi/drivers/serial2002.c
index e7c13eba983b..db37dcdd98b6 100644
--- a/drivers/staging/comedi/drivers/serial2002.c
+++ b/drivers/staging/comedi/drivers/serial2002.c
@@ -404,8 +404,8 @@ static void serial_2002_open(struct comedi_device *dev)
 	} else {
 		struct config_t {
 
-			int kind;
-			int bits;
+			short int kind;
+			short int bits;
 			int min;
 			int max;
 		};