diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 23f0e0821474..009d6a845d59 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -3109,7 +3109,7 @@ void kvm_s390_reinject_machine_check(struct kvm_vcpu *vcpu,
 				     struct mcck_volatile_info *mcck_info)
 {
 	struct kvm_s390_interrupt_info inti;
-	struct kvm_s390_irq irq;
+	struct kvm_s390_irq irq = {};
 	struct kvm_s390_mchk_info *mchk;
 	union mci mci;
 	__u64 cr14 = 0;         /* upper bits are not used */