diff --git a/cpu/mpc8220/interrupts.c b/cpu/mpc8220/interrupts.c
index 036378c..78e9917 100644
--- a/cpu/mpc8220/interrupts.c
+++ b/cpu/mpc8220/interrupts.c
@@ -34,7 +34,7 @@
 
 int interrupt_init_cpu (ulong * decrementer_count)
 {
-	*decrementer_count = get_tbclk () / CFG_HZ;
+	*decrementer_count = get_tbclk () / CONFIG_SYS_HZ;
 
 	return (0);
 }