diff --git a/src/Modules/CalcPerform.lua b/src/Modules/CalcPerform.lua
index 18f08b439b..0ed0defafc 100644
--- a/src/Modules/CalcPerform.lua
+++ b/src/Modules/CalcPerform.lua
@@ -1523,7 +1523,7 @@ function calcs.perform(env, skipEHP)
 			if item.rarity == "MAGIC" then
 				tinctureEffectInc = tinctureEffectInc + effectIncMagic
 			end
-			local effectMod = (1 + (tinctureEffectInc) / 100) + (1 + (item.quality or 0) / 100)
+			local effectMod = (1 + (tinctureEffectInc) / 100) * (1 + (item.quality or 0) / 100)
 
 			-- same deal as flasks, go look at the comment there
 			if buffModList[1] then