diff --git a/src/data/items.h b/src/data/items.h
index e3814169bf..9e44137033 100644
--- a/src/data/items.h
+++ b/src/data/items.h
@@ -2484,7 +2484,7 @@ const struct Item gItems[] =
         .itemId = ITEM_CUSTAP_BERRY,
         .price = 20,
         .holdEffect = HOLD_EFFECT_CUSTAP_BERRY,
-        .holdEffectParam = 0,
+        .holdEffectParam = 4,
         .description = sCustapBerryDesc,
         .pocket = POCKET_BERRIES,
         .type = ITEM_USE_BAG_MENU,