diff --git a/web/src/components/inventory/InventorySlot.tsx b/web/src/components/inventory/InventorySlot.tsx
index 3aafd38f29..12de155d08 100644
--- a/web/src/components/inventory/InventorySlot.tsx
+++ b/web/src/components/inventory/InventorySlot.tsx
@@ -29,7 +29,7 @@ const InventorySlot: React.ForwardRefRenderFunction<HTMLDivElement, SlotProps> =
 ) => {
   const manager = useDragDropManager();
   const dispatch = useAppDispatch();
-  const timerRef = useRef<NodeJS.Timer | null>(null);
+  const timerRef = useRef<number | null>(null);
 
   const canDrag = useCallback(() => {
     return canPurchaseItem(item, { type: inventoryType, groups: inventoryGroups }) && canCraftItem(item, inventoryType);
@@ -139,9 +139,9 @@ const InventorySlot: React.ForwardRefRenderFunction<HTMLDivElement, SlotProps> =
         <div
           className="item-slot-wrapper"
           onMouseEnter={() => {
-            timerRef.current = setTimeout(() => {
+            timerRef.current = window.setTimeout(() => {
               dispatch(openTooltip({ item, inventoryType }));
-            }, 500);
+            }, 500) as unknown as number;
           }}
           onMouseLeave={() => {
             dispatch(closeTooltip());