diff --git a/VM/src/lstate.cpp b/VM/src/lstate.cpp
index 0b2dfb69..5b40f519 100644
--- a/VM/src/lstate.cpp
+++ b/VM/src/lstate.cpp
@@ -181,6 +181,7 @@ lua_State* lua_newstate(lua_Alloc f, void* ud)
 
     g->cb = lua_Callbacks();
     g->gcstats = GCStats();
+    g->userdata = NULL;
 
     if (luaD_rawrunprotected(L, f_luaopen, NULL) != 0)
     {
diff --git a/VM/src/lstate.h b/VM/src/lstate.h
index 56379883..90c1375d 100644
--- a/VM/src/lstate.h
+++ b/VM/src/lstate.h
@@ -189,6 +189,8 @@ typedef struct global_State
 
     GCStats gcstats;
 
+    void* userdata;
+
 } global_State;
 // clang-format on