diff --git a/kdc/bx509d.c b/kdc/bx509d.c
index d2f397b96..37c566317 100644
--- a/kdc/bx509d.c
+++ b/kdc/bx509d.c
@@ -881,7 +881,7 @@ set_req_desc(struct MHD_Connection *connection,
     r->req = NULL;
     r->req_life = 0;
     r->ret = 0;
-    r->kv = heim_array_create();
+    r->kv = heim_dict_create(10);
     ci = MHD_get_connection_info(connection,
                                  MHD_CONNECTION_INFO_CLIENT_ADDRESS);
     if (ci) {
diff --git a/kdc/httpkadmind.c b/kdc/httpkadmind.c
index b155c39e3..77c5333cf 100644
--- a/kdc/httpkadmind.c
+++ b/kdc/httpkadmind.c
@@ -1528,7 +1528,7 @@ set_req_desc(struct MHD_Connection *connection,
     r->sname = NULL;
     r->cname = NULL;
     r->addr = NULL;
-    r->kv = heim_array_create();
+    r->kv = heim_dict_create(10);
     /* Our fields */
     r->connection = connection;
     r->kadm_handle = NULL;