data tree REFACTOR data DFS should match schema DFS
diff --git a/src/parser_lyb.c b/src/parser_lyb.c
index 65fdb19..fc74236 100644
--- a/src/parser_lyb.c
+++ b/src/parser_lyb.c
@@ -1199,11 +1199,11 @@
     }
 
     /* find request OP */
-    LYD_TREE_DFS_BEGIN((struct lyd_node *)request, iter, req_op) {
+    LYD_TREE_DFS_BEGIN((struct lyd_node *)request, req_op) {
         if (req_op->schema->nodetype & (LYS_RPC | LYS_ACTION)) {
             break;
         }
-        LYD_TREE_DFS_END(request, iter, req_op);
+        LYD_TREE_DFS_END(request, req_op);
     }
     if (!(req_op->schema->nodetype & (LYS_RPC | LYS_ACTION))) {
         LOGERR(LYD_NODE_CTX(request), LY_EINVAL, "No RPC/action in the request found.");