diff --git a/src/data/items.h b/src/data/items.h
index f35f10a16d..27103202a2 100644
--- a/src/data/items.h
+++ b/src/data/items.h
@@ -578,7 +578,7 @@ const struct Item gItemsInfo[] =
     [ITEM_HYPER_POTION] =
     {
         .name = _("Hyper Potion"),
-        .price = (I_PRICE >= GEN_2 || I_PRICE <= GEN_6) ? 1200 : 1500,
+        .price = (I_PRICE >= GEN_2 && I_PRICE <= GEN_6) ? 1200 : 1500,
         .holdEffectParam = 120,
         .description = COMPOUND_STRING(
             "Restores the HP of\n"