diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 5d3beeeb5fd9b527359190b3e0076b6b85fb2d43..a92a3efb507bdaa45f7134919b30c4bf8b495917 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -38,7 +38,7 @@
 #include <linux/ioctl.h>
 #include "kobil_sct.h"
 
-static int debug;
+static bool debug;
 
 /* Version Information */
 #define DRIVER_VERSION "21/05/2004"