diff --git a/src/battle_ai_main.c b/src/battle_ai_main.c
index 813ea65d2b..a73de7f94e 100644
--- a/src/battle_ai_main.c
+++ b/src/battle_ai_main.c
@@ -3890,6 +3890,7 @@ static u32 AI_CalcMoveEffectScore(u32 battlerAtk, u32 battlerDef, u32 move)
             if (aiData->holdEffects[battlerAtk] == HOLD_EFFECT_BIG_ROOT)
                 ADJUST_SCORE(WEAK_EFFECT);
         }
+        break;
     case EFFECT_EXPLOSION:
     case EFFECT_MISTY_EXPLOSION:
     case EFFECT_MEMENTO: