diff --git a/src/lua_maplib.c b/src/lua_maplib.c
index 84bd73834..66fbb22b3 100644
--- a/src/lua_maplib.c
+++ b/src/lua_maplib.c
@@ -1789,6 +1789,10 @@ static int ffloor_set(lua_State *L)
 }
 
 #ifdef ESLOPE
+//////////////
+// pslope_t //
+//////////////
+
 static int slope_get(lua_State *L)
 {
 	pslope_t *slope = *((pslope_t **)luaL_checkudata(L, 1, META_SLOPE));
@@ -1925,6 +1929,10 @@ static int slope_set(lua_State *L)
 	return 0;
 }
 
+///////////////
+// vector*_t //
+///////////////
+
 static int vector2_get(lua_State *L)
 {
 	vector2_t *vec = *((vector2_t **)luaL_checkudata(L, 1, META_VECTOR2));