diff --git a/compatibility.lua b/compatibility.lua
index f2cc441..c8520b5 100644
--- a/compatibility.lua
+++ b/compatibility.lua
@@ -17,7 +17,7 @@
 local S=minetest.get_translator("industrialtest")
 
 industrialtest.mtgAvailable=minetest.get_modpath("default")
-local requiredMclModules={"mcl_core","mcl_copper","mcl_armor"}
+local requiredMclModules={"mcl_core","mcl_copper","mcl_armor","mcl_deepslate"}
 industrialtest.mclAvailable=true
 for _,mod in ipairs(requiredMclModules) do
 	if not minetest.get_modpath(mod) then
@@ -479,11 +479,14 @@ if industrialtest.mclAvailable then
 	industrialtest.gameTexturePrefix="mcl"
 	-- assign element keys for elements that are required later
 	industrialtest.elementKeys.stick="mcl_core:stick"
+	industrialtest.elementKeys.flint="mcl_core:flint"
 	industrialtest.elementKeys.junglePlanks="mcl_core:junglewood"
 	industrialtest.elementKeys.ironIngot="mcl_core:iron_ingot"
 	industrialtest.elementKeys.copperIngot="mcl_copper:copper_ingot"
 	industrialtest.elementKeys.powerCarrier="mesecons:mesecon"
 	industrialtest.elementKeys.furnace="mcl_furnaces:furnace"
+	industrialtest.elementKeys.cobble="mcl_core:cobble"
+	industrialtest.elementKeys.sand="mcl_core:sand"
 	
 	-- register required minerals that are not available in MCL
 	industrialtest.registerMetal("tin","Tin",3,3)
@@ -646,9 +649,12 @@ elseif industrialtest.mtgAvailable then
 	industrialtest.elementKeys.ironIngot="default:steel_ingot"
 	industrialtest.elementKeys.copperIngot="default:copper_ingot"
 	industrialtest.elementKeys.stick="default:stick"
+	industrialtest.elementKeys.flint="default:flint"
 	industrialtest.elementKeys.junglePlanks="default:junglewood"
 	industrialtest.elementKeys.powerCarrier="default:mese_crystal_fragment"
 	industrialtest.elementKeys.furnace="default:furnace"
+	industrialtest.elementKeys.cobble="default:cobble"
+	industrialtest.elementKeys.sand="default:sand"
 else
 	error("No compatible games found!")
 end
diff --git a/mod.conf b/mod.conf
index 12c6cf6..d1f4daf 100644
--- a/mod.conf
+++ b/mod.conf
@@ -1,5 +1,5 @@
 name=industrialtest
 description=Adds various machinery
-optional_depends=default,3d_armor,mcl_core,mcl_copper,mcl_armor
+optional_depends=default,3d_armor,mcl_core,mcl_copper,mcl_armor,mcl_deepslate
 author=IndustrialTest Team
 title=IndustrialTest
\ No newline at end of file