diff --git a/kernel/timer.c b/kernel/timer.c
index 9fbb472..70b29b5 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -818,12 +818,14 @@
 #ifndef CONFIG_VIRT_CPU_ACCOUNTING
 void account_process_tick(struct task_struct *p, int user_tick)
 {
+	cputime_t one_jiffy = jiffies_to_cputime(1);
+
 	if (user_tick) {
-		account_user_time(p, jiffies_to_cputime(1));
-		account_user_time_scaled(p, jiffies_to_cputime(1));
+		account_user_time(p, one_jiffy);
+		account_user_time_scaled(p, cputime_to_scaled(one_jiffy));
 	} else {
-		account_system_time(p, HARDIRQ_OFFSET, jiffies_to_cputime(1));
-		account_system_time_scaled(p, jiffies_to_cputime(1));
+		account_system_time(p, HARDIRQ_OFFSET, one_jiffy);
+		account_system_time_scaled(p, cputime_to_scaled(one_jiffy));
 	}
 }
 #endif