diff --git a/df_underworld_items/dependencies.lua b/df_underworld_items/dependencies.lua
index 70f03d9..8c62d07 100644
--- a/df_underworld_items/dependencies.lua
+++ b/df_underworld_items/dependencies.lua
@@ -20,7 +20,7 @@ df_underworld_items.LIGHT_MAX = df_dependencies.LIGHT_MAX
 -- This stuff should only be used during initialization
 minetest.after(0, function()
 	df_underworld_items.abm_neighbors = nil
-	df_underworld.sounds = nil
-	df_underworld.nodes = nil
-	df_underworld.LIGHT_MAX = nil
+	df_underworld_items.sounds = nil
+	df_underworld_items.nodes = nil
+	df_underworld_items.LIGHT_MAX = nil
 end)
\ No newline at end of file
diff --git a/df_underworld_items/slade.lua b/df_underworld_items/slade.lua
index 3082163..60c01fd 100644
--- a/df_underworld_items/slade.lua
+++ b/df_underworld_items/slade.lua
@@ -82,7 +82,7 @@ minetest.register_node("df_underworld_items:slade_sand", {
 	tiles = {"dfcaverns_slade_sand.png"},
 	is_ground_content = false,
 	groups = {crumbly = 3, level = 2, falling_node = 1, slade=1, pit_plasma_resistant=1, mese_radiation_shield=1},
-	sounds = df_dependencies.sound_gravel,
+	sounds = df_underworld_items.sounds.slade_gravel,
 })
 
 local slade_block_def = {
diff --git a/ice_sprites/mod.conf b/ice_sprites/mod.conf
index fd347ab..94a6385 100644
--- a/ice_sprites/mod.conf
+++ b/ice_sprites/mod.conf
@@ -1,4 +1,4 @@
 name = ice_sprites
 description = Glowing blue firefly-like nodes
 depends =
-optional_depends = fireflies, vessels, doc
\ No newline at end of file
+optional_depends = df_dependencies, doc
\ No newline at end of file