From c7905c2a70e27bd8e7022c7644b6c047ea89334f Mon Sep 17 00:00:00 2001
From: Sami Lappalainen <46013823+lapinsami@users.noreply.github.com>
Date: Wed, 9 Sep 2026 09:38:57 +0200
Subject: [PATCH] fix for off-by-one error (#2)

---
 NampowerAPI.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/NampowerAPI.lua b/NampowerAPI.lua
index c040d7c..abc74d1 100644
--- a/NampowerAPI.lua
+++ b/NampowerAPI.lua
@@ -1672,7 +1672,7 @@ function API.IsItemInSlot(itemIdOrName, inventorySlot)
 
     -- Use native v2.18 GetEquippedItem if available
     if GetEquippedItem then
-        local slotInfo = GetEquippedItem("player", inventorySlot - 1)  -- 0-indexed
+        local slotInfo = GetEquippedItem("player", inventorySlot)
         if slotInfo and slotInfo.itemId then
             local checkId = tonumber(itemIdOrName)
             if checkId then