diff --git a/nodes.lua b/nodes.lua
index bf7c0fc..059afc8 100644
--- a/nodes.lua
+++ b/nodes.lua
@@ -1746,7 +1746,7 @@ minetest.register_node("too_many_stones:morion_quartz", {
 	tiles = {"tms_morion_quartz.png"},
 	is_ground_content = false,
 	groups = {cracky = 3, white_stone = 1, stone = 1, quartz =1},
-	sounds = too_many_stones.node_sound_stone_defaults(),
+	sounds = too_many_stones.node_sound_glass_defaults(),
 })
 
 minetest.register_node("too_many_stones:morion_quartz_block", {
@@ -1754,7 +1754,7 @@ minetest.register_node("too_many_stones:morion_quartz_block", {
 	tiles = {"tms_morion_quartz_block.png"},
 	is_ground_content = false,
 	groups = {cracky = 3, white_stone = 1, stone = 1, quartz = 1},
-	sounds = too_many_stones.node_sound_stone_defaults(),
+	sounds = too_many_stones.node_sound_glass_defaults(),
 })
 
 minetest.register_node("too_many_stones:morion_quartz_brick", {
@@ -1764,7 +1764,7 @@ minetest.register_node("too_many_stones:morion_quartz_brick", {
 	tiles = {"tms_morion_quartz_brick.png"},
 	is_ground_content = false,
 	groups = {cracky = 2, white_stone = 1, stone = 1, quartz = 1},
-	sounds = too_many_stones.node_sound_stone_defaults(),
+	sounds = too_many_stones.node_sound_glass_defaults(),
 })
 
 minetest.register_node("too_many_stones:morion_quartz_cracked_brick", {
@@ -1774,7 +1774,7 @@ minetest.register_node("too_many_stones:morion_quartz_cracked_brick", {
 	tiles = {"tms_morion_quartz_cracked_brick.png"},
 	is_ground_content = false,
 	groups = {cracky = 2, white_stone = 1, stone = 1, quartz = 1},
-	sounds = too_many_stones.node_sound_stone_defaults(),
+	sounds = too_many_stones.node_sound_glass_defaults(),
 })
 -- Marble
 minetest.register_node("too_many_stones:marble", {