diff --git a/listenbrainz/tests/integration/test_api_compat.py b/listenbrainz/tests/integration/test_api_compat.py
index 6e9901b4e0..3aaf02078d 100644
--- a/listenbrainz/tests/integration/test_api_compat.py
+++ b/listenbrainz/tests/integration/test_api_compat.py
@@ -68,8 +68,8 @@ def test_complete_workflow_json(self):
 
         r = self.client.post(
             self.custom_url_for('api_compat.api_auth_approve'),
-            data=data,
-            headers={'Content-Type': 'application/json'}
+            data=json.dumps(data),
+            content_type="application/json"
         )
         self.assert200(r)
 
@@ -94,8 +94,7 @@ def test_complete_workflow_json(self):
             'duration[0]': 300,
             'timestamp[0]': int(time.time()),
         }
-        r = self.client.post(self.custom_url_for('api_compat.api_methods'), data=data,
-                             headers={'Content-Type': 'application/json'})
+        r = self.client.post(self.custom_url_for('api_compat.api_methods'), data=data)
         self.assert200(r)
 
         expected = {