diff --git a/kdc/hprop.h b/kdc/hprop.h
index dd07c2b9b..6e524baec 100644
--- a/kdc/hprop.h
+++ b/kdc/hprop.h
@@ -48,6 +48,10 @@
 #define HPROP_KEYTAB "FILE:/etc/hprop.keytab"
 #define HPROP_PORT 754
 
+#ifndef NEVERDATE
+#define NEVERDATE ((1U << 31) - 1)
+#endif
+
 krb5_error_code send_priv(krb5_context, krb5_auth_context, krb5_data*, int);
 krb5_error_code recv_priv(krb5_context, krb5_auth_context, int, krb5_data*);