diff --git a/src/system/kernel/arch/x86/timers/x86_apic.cpp b/src/system/kernel/arch/x86/timers/x86_apic.cpp
index f92ec08687..4c104be7b4 100644
--- a/src/system/kernel/arch/x86/timers/x86_apic.cpp
+++ b/src/system/kernel/arch/x86/timers/x86_apic.cpp
@@ -77,7 +77,7 @@ apic_timer_set_hardware_timer(bigtime_t relativeTimeout)
 
 	apic_set_lvt_initial_timer_count(0); // zero out the timer
 
-	config = apic_lvt_timer() & ~APIC_LVT_MASKED; // unmask the timer
+	config &= ~APIC_LVT_MASKED; // unmask the timer
 	apic_set_lvt_timer(config);
 
 	TRACE("arch_smp_set_apic_timer: config 0x%" B_PRIx32 ", timeout %" B_PRIdBIGTIME