diff --git a/src/battle_ai_main.c b/src/battle_ai_main.c
index 25250c480..1c4073706 100644
--- a/src/battle_ai_main.c
+++ b/src/battle_ai_main.c
@@ -212,7 +212,7 @@ u8 BattleAI_ChooseMoveOrAction(void)
     
     // Clear protect structures, some flags may be set during AI calcs
     // e.g. pranksterElevated from GetMovePriority
-    memset(&gProtectStructs[gActiveBattler], 0, sizeof(struct ProtectStruct));
+    memset(&gProtectStructs, 0, MAX_BATTLERS_COUNT * sizeof(struct ProtectStruct));
     
     gCurrentMove = savedCurrentMove;
     return ret;