diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c
index c4180b7270..7a777a4d0c 100644
--- a/target/ppc/kvm.c
+++ b/target/ppc/kvm.c
@@ -266,7 +266,7 @@ struct ppc_radix_page_info *kvm_get_radix_page_info(void)
 {
     KVMState *s = KVM_STATE(current_accel());
     struct ppc_radix_page_info *radix_page_info;
-    struct kvm_ppc_rmmu_info rmmu_info;
+    struct kvm_ppc_rmmu_info rmmu_info = { };
     int i;
 
     if (!kvm_check_extension(s, KVM_CAP_PPC_MMU_RADIX)) {