diff --git a/src/lua_baselib.c b/src/lua_baselib.c
index 91686743f..e6563b14b 100644
--- a/src/lua_baselib.c
+++ b/src/lua_baselib.c
@@ -3940,6 +3940,18 @@ static int lib_kDoPowerClash(lua_State *L)
 	return 0;
 }
 
+static int lib_kDoGuardBreak(lua_State *L)
+{
+	mobj_t *t1 = *((mobj_t **)luaL_checkudata(L, 1, META_MOBJ));
+	mobj_t *t2 = *((mobj_t **)luaL_checkudata(L, 2, META_MOBJ));
+	NOHUD
+	INLEVEL
+	if (!t1 || !t2)
+		return LUA_ErrInvalid(L, "mobj_t");
+	K_DoGuardBreak(t1, t2);
+	return 0;
+}
+
 static int lib_kSpawnBattlePoints(lua_State *L)
 {
 	player_t *source = *((player_t **)luaL_checkudata(L, 1, META_PLAYER));
@@ -5614,6 +5626,7 @@ static luaL_Reg lib[] = {
 	{"K_AwardPlayerRings",lib_kAwardPlayerRings},
 	{"K_DoInstashield",lib_kDoInstashield},
 	{"K_DoPowerClash",lib_kDoPowerClash},
+	{"K_DoGuardBreak",lib_kDoGuardBreak},
 	{"K_SpawnBattlePoints",lib_kSpawnBattlePoints},
 	{"K_RemoveGrowShrink",lib_kRemoveGrowShrink},
 	{"K_IsBigger",lib_kIsBigger},