diff --git a/frontend/src/components/modals/ConfirmBuyModal.jsx b/frontend/src/components/modals/ConfirmBuyModal.jsx
index 5036d8c..0cfadf0 100644
--- a/frontend/src/components/modals/ConfirmBuyModal.jsx
+++ b/frontend/src/components/modals/ConfirmBuyModal.jsx
@@ -131,6 +131,7 @@ export default function ConfirmBuyModal({
               onClick={handleDecrement}
               className="confirm-buy-counter-btn"
               disabled={quantity <= 1 || isSubmitting}
+              aria-label="Decrease quantity"
             >
               -
             </button>
@@ -139,12 +140,14 @@ export default function ConfirmBuyModal({
               value={quantity}
               readOnly
               className="confirm-buy-counter-display"
+              aria-label="Quantity to mark bought"
             />
             <button
               type="button"
               onClick={handleIncrement}
               className="confirm-buy-counter-btn"
               disabled={quantity >= maxQuantity || isSubmitting}
+              aria-label="Increase quantity"
             >
               +
             </button>
diff --git a/frontend/tests/location-map-manager.spec.ts b/frontend/tests/location-map-manager.spec.ts
index 8b2e1a4..cb71d68 100644
--- a/frontend/tests/location-map-manager.spec.ts
+++ b/frontend/tests/location-map-manager.spec.ts
@@ -3689,9 +3689,9 @@ test("viewer advances map buy modal after partial quantity buys", async ({ page
   await page.getByRole("button", { name: "Mark flour bought" }).click();
   await expect(page.locator(".confirm-buy-item-name")).toHaveText("flour");
 
-  await page.locator(".confirm-buy-counter-btn").first().click();
-  await page.locator(".confirm-buy-counter-btn").first().click();
-  await expect(page.locator(".confirm-buy-counter-display")).toHaveValue("1");
+  await page.getByRole("button", { name: "Decrease quantity" }).click();
+  await page.getByRole("button", { name: "Decrease quantity" }).click();
+  await expect(page.getByRole("spinbutton", { name: "Quantity to mark bought" })).toHaveValue("1");
   await page.getByRole("button", { name: "Mark as Bought" }).click();
 
   await expect.poll(() => boughtPayloads.length).toBe(1);