diff --git a/hw/i386/kvm/clock.c b/hw/i386/kvm/clock.c
index 58be2bda27..efdf165848 100644
--- a/hw/i386/kvm/clock.c
+++ b/hw/i386/kvm/clock.c
@@ -88,7 +88,7 @@ static void kvmclock_vm_state_change(void *opaque, int running,
     int ret;
 
     if (running) {
-        struct kvm_clock_data data;
+        struct kvm_clock_data data = {};
         uint64_t time_at_migration = kvmclock_current_nsec(s);
 
         s->clock_valid = false;
@@ -99,7 +99,6 @@ static void kvmclock_vm_state_change(void *opaque, int running,
         }
 
         data.clock = s->clock;
-        data.flags = 0;
         ret = kvm_vm_ioctl(kvm_state, KVM_SET_CLOCK, &data);
         if (ret < 0) {
             fprintf(stderr, "KVM_SET_CLOCK failed: %s\n", strerror(ret));