diff --git a/src/battle_main.c b/src/battle_main.c
index e9c18be50564..97123470f067 100644
--- a/src/battle_main.c
+++ b/src/battle_main.c
@@ -5526,8 +5526,9 @@ static void FreeResetData_ReturnToOvOrDoEvolutions(void)
     }
 
     FreeAllWindowBuffers();
-    if (!(gBattleTypeFlags & BATTLE_TYPE_LINK))
+    if (gBattleStruct != NULL && !(gBattleTypeFlags & BATTLE_TYPE_LINK))
     {
+        ZeroEnemyPartyMons();
         FreeMonSpritesGfx();
         FreeBattleResources();
         FreeBattleSpritesData();