1 files changed, 3 insertions, 0 deletions
diff --git a/src/lua.c b/src/lua.c
index 225dfbf..d6a5523 100644
--- a/src/lua.c
+++ b/src/lua.c
@@ -139,6 +139,9 @@ void luaI_deepcopy(lua_State* src, lua_State* dest, enum deep_copy_flags flags){
           modi = 1;
           lua_pushlightuserdata(dest, lua_touserdata(src, -1)); 
           break;
+        case LUA_TTHREAD:
+          lua_pushnil(dest);
+          break;
         default:
           printf("unknown type %i vs (old)%i\n",lua_type(src, -1), type);
           abort();