diff --git a/src/adv/Adv.lua b/src/adv/Adv.lua
index c686c8c..e1500ae 100644
--- a/src/adv/Adv.lua
+++ b/src/adv/Adv.lua
@@ -428,7 +428,7 @@ function Adv:awardArtifact(id, params)
 end
 
 
-function Adv:delArtifactEffect(effect)
+function Adv:addArtifactEffect(effect)
 	for _, eff in ipairs(effect:toArray()) do
 		local etype, id = table.unpack(eff:toArray(true, "="))
 		if etype == 1 then
@@ -439,7 +439,7 @@ function Adv:delArtifactEffect(effect)
 	end
 end
 
-function Adv:addArtifactEffect(effect)
+function Adv:delArtifactEffect(effect)
 	for _, eff in ipairs(effect:toArray()) do
 		local etype, id = table.unpack(eff:toArray(true, "="))
 		if etype == 1 then
--
libgit2 0.21.2