diff --git a/mod.conf b/mod.conf
index 955b0ed..248a7de 100644
--- a/mod.conf
+++ b/mod.conf
@@ -1,6 +1,6 @@
 name = surface_effect
 description = surface effect
-depends = default, persistent_effects, mobs_monster, radiant_damage, hazmat_suit, ethereal
+depends = default, persistent_effects, mobs_monster, radiant_damage, hazmat_suit, ethereal, 3d_armor
 optional_depends = technic, farming, space_travel, bunker, unified_inventory
 min_minetest_version = 5.7
 title = Surface Effect