diff --git a/mods/mcl_nether/init.lua b/mods/mcl_nether/init.lua
index e1832c761d..181620e1ab 100644
--- a/mods/mcl_nether/init.lua
+++ b/mods/mcl_nether/init.lua
@@ -21,7 +21,7 @@ minetest.register_node("mcl_nether:quartz_ore", {
 	description = "Nether Quartz Ore",
 	stack_max = 64,
  	tiles = {"mcl_nether_quartz_ore.png"},
-	is_ground_content = false,
+	is_ground_content = true,
 	groups = {cracky=2,building_block=1},
 	drop = 'mcl_nether:quartz_crystal',
 	sounds = mcl_core.node_sound_stone_defaults(),
@@ -30,6 +30,7 @@ minetest.register_node("mcl_nether:quartz_ore", {
 minetest.register_node("mcl_nether:quartz_block", {
 	description = "Block of Quartz",
 	stack_max = 64,
+	is_ground_content = false,
 	tiles = {"mcl_nether_quartz_block_top.png", "mcl_nether_quartz_block_bottom.png", "mcl_nether_quartz_block_side.png"},
 	groups = {cracky=3,quartz_block=1,building_block=1},
 	sounds = mcl_core.node_sound_stone_defaults(),
@@ -48,7 +49,7 @@ minetest.register_node("mcl_nether:quartz_pillar", {
 	description = "Pillar Quartz Block",
 	stack_max = 64,
 	paramtype2 = "facedir",
-	is_ground_content = true,
+	is_ground_content = false,
 	on_place = minetest.rotate_node,
 	tiles = {"mcl_nether_quartz_pillar_top.png", "mcl_nether_quartz_pillar_top.png", "mcl_nether_quartz_pillar_side.png"},
 	groups = {cracky=3,quartz_block=1,building_block=1},