diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 84d48a33e38b..b3be690d081a 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -5689,7 +5689,7 @@ void kvm_mmu_zap_collapsible_sptes(struct kvm *kvm,
 {
 	/* FIXME: const-ify all uses of struct kvm_memory_slot.  */
 	struct kvm_memory_slot *slot = (struct kvm_memory_slot *)memslot;
-	bool flush;
+	bool flush = false;
 
 	if (kvm_memslots_have_rmaps(kvm)) {
 		write_lock(&kvm->mmu_lock);