diff --git a/armor_crystal/mod.conf b/armor_crystal/mod.conf
index 3e3ae5e..9531bbc 100644
--- a/armor_crystal/mod.conf
+++ b/armor_crystal/mod.conf
@@ -1,4 +1,4 @@
 name = armor_crystal
 depends = 3d_armor
-optional_depends = etherial
+optional_depends = ethereal
 description = Adds craftable crystal armor.