diff --git a/target/s390x/kvm/pv.c b/target/s390x/kvm/pv.c
index fe0a72c416..1947a3d669 100644
--- a/target/s390x/kvm/pv.c
+++ b/target/s390x/kvm/pv.c
@@ -147,6 +147,7 @@ bool s390_pv_vm_try_disable_async(S390CcwMachineState *ms)
     return true;
 }
 
+#define UV_RC_SSC_INVAL_HOSTKEY    0x0108
 int s390_pv_set_sec_parms(uint64_t origin, uint64_t length, Error **errp)
 {
     int ret, pvrc;
@@ -158,7 +159,7 @@ int s390_pv_set_sec_parms(uint64_t origin, uint64_t length, Error **errp)
     ret = s390_pv_cmd_pvrc(KVM_PV_SET_SEC_PARMS, &args, &pvrc);
     if (ret) {
         error_setg(errp, "Failed to set secure execution parameters");
-        if (pvrc == 0x108) {
+        if (pvrc == UV_RC_SSC_INVAL_HOSTKEY) {
             error_append_hint(errp, "Please check whether the image is "
                                     "correctly encrypted for this host\n");
         }