diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index 20d4dbc42e6e..d07a603807d1 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -377,8 +377,10 @@ void __init setup_boot_APIC_clock(void)
 	 */
 	if (local_apic_timer_disabled) {
 		/* No broadcast on UP ! */
-		if (num_possible_cpus() > 1)
+		if (num_possible_cpus() > 1) {
+			lapic_clockevent.mult = 1;
 			setup_APIC_timer();
+		}
 		return;
 	}
 
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 731b48660fc4..01d4ca27ecf0 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -375,8 +375,10 @@ void __init setup_boot_APIC_clock(void)
 	if (disable_apic_timer) {
 		printk(KERN_INFO "Disabling APIC timer\n");
 		/* No broadcast on UP ! */
-		if (num_possible_cpus() > 1)
+		if (num_possible_cpus() > 1) {
+			lapic_clockevent.mult = 1;
 			setup_APIC_timer();
+		}
 		return;
 	}