diff --git a/homedecor_common/registration.lua b/homedecor_common/registration.lua
index 90830688..83f8b96f 100644
--- a/homedecor_common/registration.lua
+++ b/homedecor_common/registration.lua
@@ -8,6 +8,19 @@ function homedecor.register(name, original_def)
 
 	def.is_furnace = nil
 
+	if minetest.get_modpath("mcl_core") then
+		if def.groups and (def.groups.crumbly or def.groups.oddly_breakable_by_hand) then
+			def.groups["handy"]=1
+			def._mcl_hardness=0.6
+		elseif def.groups and (def.groups.snappy or def.groups.choppy) then
+			def.groups["axey"]=5
+			def._mcl_hardness=1.6
+		elseif def.groups and (def.groups.cracky or def.groups.crumbly) then
+			def.groups["pickaxey"]=5
+			def._mcl_hardness=1.6
+		end
+	end
+
 	def.drawtype = def.drawtype
 		or (def.mesh and "mesh")
 		or (def.node_box and "nodebox")