diff --git a/util-linux/hwclock.c b/util-linux/hwclock.c
index a260d7448..2f6266167 100644
--- a/util-linux/hwclock.c
+++ b/util-linux/hwclock.c
@@ -46,7 +46,7 @@ struct linux_rtc_time {
 	int tm_yday;
 	int tm_isdst;
 };
-                
+
 #define RTC_SET_TIME   _IOW('p', 0x0a, struct linux_rtc_time) /* Set RTC time    */
 #define RTC_RD_TIME    _IOR('p', 0x09, struct linux_rtc_time) /* Read RTC time   */
 
@@ -182,11 +182,11 @@ static int check_utc(void)
 	return utc;
 }
 
-#define HWCLOCK_OPT_LOCALTIME	1
-#define HWCLOCK_OPT_UTC      	2
-#define HWCLOCK_OPT_SHOW     	4
-#define HWCLOCK_OPT_HCTOSYS  	8
-#define HWCLOCK_OPT_SYSTOHC  	16
+#define HWCLOCK_OPT_LOCALTIME	0x01
+#define HWCLOCK_OPT_UTC      	0x02
+#define HWCLOCK_OPT_SHOW     	0x04
+#define HWCLOCK_OPT_HCTOSYS  	0x08
+#define HWCLOCK_OPT_SYSTOHC  	0x10
 
 extern int hwclock_main ( int argc, char **argv )
 {
@@ -213,11 +213,11 @@ static const struct option hwclock_long_options[] = {
 	}
 
 	/* If -u or -l wasn't given check if we are using utc */
-	if (opt & (HWCLOCK_OPT_UTC | HWCLOCK_OPT_LOCALTIME)) 
+	if (opt & (HWCLOCK_OPT_UTC | HWCLOCK_OPT_LOCALTIME))
 		utc = opt & HWCLOCK_OPT_UTC;
 	else
 		utc = check_utc();
-	
+
 	if (opt & HWCLOCK_OPT_HCTOSYS) {
 		return to_sys_clock ( utc );
 	}