diff --git a/sys-utils/hwclock.c b/sys-utils/hwclock.c
index 603146079..cfb6bcd6b 100644
--- a/sys-utils/hwclock.c
+++ b/sys-utils/hwclock.c
@@ -1535,7 +1535,7 @@ int main(int argc, char **argv)
 	return rc;		/* Not reached */
 }
 
-void __attribute__((__noreturn__))
+void
 hwclock_exit(const struct hwclock_control *ctl
 #ifndef HAVE_LIBAUDIT
 	     __attribute__((__unused__))
diff --git a/sys-utils/hwclock.h b/sys-utils/hwclock.h
index f3f76a6da..d527fe310 100644
--- a/sys-utils/hwclock.h
+++ b/sys-utils/hwclock.h
@@ -73,6 +73,7 @@ extern int get_epoch_rtc(const struct hwclock_control *ctl, unsigned long *epoch
 extern int set_epoch_rtc(const struct hwclock_control *ctl);
 #endif
 
-extern void hwclock_exit(const struct hwclock_control *ctl, int status);
+extern void __attribute__((__noreturn__))
+hwclock_exit(const struct hwclock_control *ctl, int status);
 
 #endif				/* HWCLOCK_CLOCK_H */