diff --git a/Data/Scripts/011_Battle/006_Other battle code/008_Battle_AbilityEffects.rb b/Data/Scripts/011_Battle/006_Other battle code/008_Battle_AbilityEffects.rb
index d1254f9bc..d0f5f513a 100644
--- a/Data/Scripts/011_Battle/006_Other battle code/008_Battle_AbilityEffects.rb	
+++ b/Data/Scripts/011_Battle/006_Other battle code/008_Battle_AbilityEffects.rb	
@@ -2607,7 +2607,7 @@ Battle::AbilityEffects::OnSwitchIn.add(:ANTICIPATION,
           if Settings::MECHANICS_GENERATION >= 6 && m.function == "TypeDependsOnUserIVs"   # Hidden Power
             moveType = pbHiddenPower(b.pokemon)[0]
           end
-          eff = Effectiveness.calculate(moveType, types)
+          eff = Effectiveness.calculate(moveType, *types)
           next if Effectiveness.ineffective?(eff)
           next if !Effectiveness.super_effective?(eff) &&
                   !["OHKO", "OHKOIce", "OHKOHitsUndergroundTarget"].include?(m.function)