diff --git a/Data/Scripts/012_Battle/004_AI/005_AI_Move_EffectScores.rb b/Data/Scripts/012_Battle/004_AI/005_AI_Move_EffectScores.rb
index 648cd65be..7a6d9063e 100644
--- a/Data/Scripts/012_Battle/004_AI/005_AI_Move_EffectScores.rb
+++ b/Data/Scripts/012_Battle/004_AI/005_AI_Move_EffectScores.rb
@@ -1364,7 +1364,7 @@ class PokeBattle_AI
            :ROCK,   # Cave
            :GROUND  # Sand
         ]
-        type = envtypes[@environment]
+        type = envtypes[@battle.environment]
         score -= 90 if user.pbHasType?(type)
       end
     #---------------------------------------------------------------------------