diff --git a/mods/CORE/mcl_init/compatibility.lua b/mods/CORE/mcl_init/compatibility.lua
index 6172430c1..a90eaf0d6 100644
--- a/mods/CORE/mcl_init/compatibility.lua
+++ b/mods/CORE/mcl_init/compatibility.lua
@@ -1,3 +1,7 @@
-function minetest.is_creative_enabled()
-	return false
-end
+function minetest.is_creative_enabled()
+	return false
+end
+
+function vector.offset(v,x,y,z)
+	return vector.add(v,{x=x,y=y,z=z})
+end