diff --git a/src/lib_json/json_value.cpp b/src/lib_json/json_value.cpp
index 1725f771b..5728aa1d5 100644
--- a/src/lib_json/json_value.cpp
+++ b/src/lib_json/json_value.cpp
@@ -1035,6 +1035,7 @@ const Value& Value::operator[](int index) const {
 void Value::initBasic(ValueType type, bool allocated) {
   setType(type);
   setIsAllocated(allocated);
+  value_.uint_ = 0;
   comments_ = Comments{};
   start_ = 0;
   limit_ = 0;