diff --git a/src/lua_baselib.c b/src/lua_baselib.c
index 49205ad7..dce8262f 100644
--- a/src/lua_baselib.c
+++ b/src/lua_baselib.c
@@ -583,6 +583,16 @@ static int lib_pCanRunOnWater(lua_State *L)
 	return 1;
 }
 
+static int lib_pSpawnShadowMobj(lua_State *L)
+{
+	mobj_t *caster = *((mobj_t **)luaL_checkudata(L, 1, META_MOBJ));
+	NOHUD
+	if (!caster)
+		return LUA_ErrInvalid(L, "mobj_t");
+	P_SpawnShadowMobj(caster);
+	return 0;
+}
+
 // P_USER
 ////////////
 
@@ -2271,6 +2281,7 @@ static luaL_Reg lib[] = {
 	{"P_CheckDeathPitCollide",lib_pCheckDeathPitCollide},
 	{"P_CheckSolidLava",lib_pCheckSolidLava},
 	{"P_CanRunOnWater",lib_pCanRunOnWater},
+	{"P_SpawnShadowMobj",lib_pSpawnShadowMobj},
 
 	// p_user
 	{"P_GetPlayerHeight",lib_pGetPlayerHeight},