diff --git a/ecommerce/extensions/iap/api/v1/tests/test_utils.py b/ecommerce/extensions/iap/api/v1/tests/test_utils.py
index 51e4eb86746..1968cd7b23e 100644
--- a/ecommerce/extensions/iap/api/v1/tests/test_utils.py
+++ b/ecommerce/extensions/iap/api/v1/tests/test_utils.py
@@ -225,8 +225,7 @@ def test_upload_screenshot_of_inapp_purchase(self, _):
             self.assertEqual(post_call.call_args[1]['headers'], headers)
 
             self.assertEqual(put_call.call_args[0][0], 'https://image-url.com')
-            img_headers = headers.copy()
-            img_headers['Content-Type'] = 'image/png'
+            img_headers = {'Content-Type': 'image/png'}
             self.assertEqual(put_call.call_args[1]['headers'], img_headers)
 
             img_patch_url = 'https://api.appstoreconnect.apple.com/v1/inAppPurchaseAppStoreReviewScreenshots/1234'