diff --git a/lib/krb5/krb5.h b/lib/krb5/krb5.h
index 760c0b8b5..97deb7981 100644
--- a/lib/krb5/krb5.h
+++ b/lib/krb5/krb5.h
@@ -329,7 +329,7 @@ typedef struct krb5_auth_context_data {
 
     krb5_address *local_address;
     krb5_address *remote_address;
-    krb5_keyblock key;
+    krb5_keyblock *keyblock;
     krb5_keyblock local_subkey;
     krb5_keyblock remote_subkey;