diff --git a/lib/krb5/krb5.h b/lib/krb5/krb5.h
index 48a995b9b..d56da4a26 100644
--- a/lib/krb5/krb5.h
+++ b/lib/krb5/krb5.h
@@ -292,6 +292,7 @@ typedef struct krb5_context_data {
     const char *time_fmt;
     krb5_boolean log_utc;
     const char *default_keytab;
+    krb5_boolean use_admin_kdc;
 } krb5_context_data;
 
 enum {