diff --git a/init.lua b/init.lua
index cd5381e..7bc5666 100644
--- a/init.lua
+++ b/init.lua
@@ -444,7 +444,7 @@ minetest.register_node("lavastuff:block", {
 	description = S("Lava Block"),
 	tiles = {"lavastuff_block.png"},
 	is_ground_content = false,
-	sounds = default and default.node_sound_glass_defaults(),
+	sounds = default and default.node_sound_glass_defaults and default.node_sound_glass_defaults(),
 	groups = {cracky = 2, level = 2},
 	light_source = 6,
 })
@@ -455,7 +455,7 @@ if minetest.get_modpath("moreblocks") then
 		tiles = {"lavastuff_block.png"},
 		groups = {cracky = 2, level = 2},
 		light_source = 6,
-		sounds = default and default.node_sound_glass_defaults(),
+		sounds = default and default.node_sound_glass_defaults and default.node_sound_glass_defaults(),
 	})
 elseif minetest.get_modpath("stairs") then
 	stairs.register_stair_and_slab(
@@ -465,7 +465,7 @@ elseif minetest.get_modpath("stairs") then
 		{"lavastuff_block.png"},
 		S("Lava Stair"),
 		S("Lava Slab"),
-		default.node_sound_glass_defaults(),
+		default and default.node_sound_glass_defaults and default.node_sound_glass_defaults(),
 		true,
 		S("Inner Lava Stair"),
 		S("Outer Lava Stair")
@@ -529,7 +529,7 @@ minetest.register_node("lavastuff:lava_in_a_bottle", {
 		fixed = {-0.25, -0.5, -0.25, 0.25, 0.3, 0.25}
 	},
 	groups = {vessel = 1, dig_immediate = 3, attached_node = 1},
-	sounds = default and default.node_sound_glass_defaults(),
+	sounds = default and default.node_sound_glass_defaults and default.node_sound_glass_defaults(),
 })
 
 --
diff --git a/mod.conf b/mod.conf
index eb829f7..3199e23 100644
--- a/mod.conf
+++ b/mod.conf
@@ -2,7 +2,7 @@ name = lavastuff
 description = Adds lava tools, armor, and blocks
 title = Lava Stuff
 optional_depends = """
-	mobs, mobs_monster, 3d_armor, toolranks, moreblocks,
+	mobs, mobs_monster, 3d_armor, toolranks, moreblocks, sounds,
 	fire, stairs, vessels, default, bucket,
 	mcl_armor, mcl_fire, mcl_buckets, mcl_nether, mcl_potions, mcl_core, mcl_mobitems, mcl_tools,
 	nc_fire, nc_api_all, nc_lux, nc_optics