diff --git a/src/lua_baselib.c b/src/lua_baselib.c
index 44c561de9..9dc6f5217 100644
--- a/src/lua_baselib.c
+++ b/src/lua_baselib.c
@@ -4506,6 +4506,17 @@ static int lib_kMomentum3D(lua_State *L)
 	return 1;
 }
 
+static int lib_kMissileOrKartItem(lua_State *L)
+{
+	mobj_t *mo = *((mobj_t **)luaL_checkudata(L, 1, META_MOBJ));
+	
+	if (!mo)
+		return LUA_ErrInvalid(L, "mobj_t");
+
+	lua_pushboolean(L, K_IsMissileOrKartItem(mo));
+	return 1;
+}
+
 static int lib_kAddNewScoreboardMod(lua_State *L)
 {
 	const char *modname = luaL_checkstring(L, 1);
@@ -5522,6 +5533,9 @@ static luaL_Reg lib[] = {
 	{"K_PlayerCanPunt", lib_kPlayerCanPunt},
 	{"K_Momentum3D", lib_kMomentum3D},
 
+	// kart stuff that's in other places for some reason
+	{"K_IsMissileOrKartItem", lib_kMissileOrKartItem},
+
 	// k_hud
 	{"K_AddNewScoreboardMod", lib_kAddNewScoreboardMod},
 	{"K_SetScoreboardModStatus", lib_kSetScoreboardModStatus},