diff --git a/technic_worldgen/depends.txt b/technic_worldgen/depends.txt
index 6a92b7d..298c506 100644
--- a/technic_worldgen/depends.txt
+++ b/technic_worldgen/depends.txt
@@ -7,3 +7,4 @@ farming?
 glooptest?
 mesecons_doors?
 vessels?
+underch?
diff --git a/technic_worldgen/nodes.lua b/technic_worldgen/nodes.lua
index 2c385de..3780c17 100644
--- a/technic_worldgen/nodes.lua
+++ b/technic_worldgen/nodes.lua
@@ -50,8 +50,16 @@ if minetest.get_modpath("underch") then
 
    minetest.register_alias("technic:granite", "underch:granite")
 
+      minetest.override_item("underch:granite", {
+				groups = {cracky=1}
+   })
+
    minetest.register_alias("technic:marble", "underch:marble")
 
+   minetest.override_item("underch:marble", {
+			     groups = {cracky=3, marble=1}
+   })
+
    minetest.register_alias("technic:marble_bricks", "underch:marble_brick")
    
 else