diff --git a/src/system/kernel/scheduler/power_saving.cpp b/src/system/kernel/scheduler/power_saving.cpp
index 4ebd746d37..c9c28bd25d 100644
--- a/src/system/kernel/scheduler/power_saving.cpp
+++ b/src/system/kernel/scheduler/power_saving.cpp
@@ -196,9 +196,16 @@ pack_irqs()
 		return;
 
 	cpu_ent* cpu = get_cpu_struct();
-	if (smallTaskCore == CoreEntry::GetCore(cpu->cpu_num))
+	CoreEntry* thisCore = CoreEntry::GetCore(cpu->cpu_num);
+	if (smallTaskCore == thisCore)
 		return;
 
+	// Avoid packing IRQs if it's not really going to change much.
+	if (thisCore->GetLoad() >= smallTaskCore->GetLoad()
+			|| (smallTaskCore->GetLoad() - thisCore->GetLoad()) < kLoadDifference) {
+		return;
+	}
+
 	SpinLocker locker(cpu->irqs_lock);
 	while (list_get_first_item(&cpu->irqs) != NULL) {
 		irq_assignment* irq = (irq_assignment*)list_get_first_item(&cpu->irqs);