diff --git a/src/runtime/contrib/json/json_runtime.h b/src/runtime/contrib/json/json_runtime.h
index b122a435de408..0c6d0f6d71363 100644
--- a/src/runtime/contrib/json/json_runtime.h
+++ b/src/runtime/contrib/json/json_runtime.h
@@ -186,7 +186,7 @@ class JSONRuntimeBase : public ModuleNode {
         for (size_t j = 0; j < nodes_[nid].GetOpShape().size(); ++j) {
           input_var_eid_.push_back(EntryID(nid, j));
         }
-      nodes_[nid].SetNumOutput(nodes_[nid].GetOpShape().size());
+        nodes_[nid].SetNumOutput(nodes_[nid].GetOpShape().size());
       } else {
         ICHECK_EQ(nodes_[nid].op_type_, "const");
         auto pos = std::find(std::begin(const_names_), std::end(const_names_), name);