diff --git a/pact/verifier.py b/pact/verifier.py
index 56a43c554f..d252214d15 100644
--- a/pact/verifier.py
+++ b/pact/verifier.py
@@ -104,7 +104,7 @@ def extract_params(self, **kwargs):
             'log_dir': log_dir,
             'log_level': log_level,
             'provider_app_version': provider_app_version,
-            'custom_provider_header': list(headers),
+            'custom_provider_headers': list(headers),
             'timeout': timeout,
             'consumer_tags': list(consumer_tags),
             'provider_tags': list(provider_tags),
diff --git a/tests/test_verifier.py b/tests/test_verifier.py
index 0d4f0a4e8d..68929f3568 100644
--- a/tests/test_verifier.py
+++ b/tests/test_verifier.py
@@ -28,12 +28,14 @@ def test_verifier_with_provider_and_files(self, mock_path_exists, mock_wrapper):
         mock_wrapper.return_value = (True, 'some logs')
 
         output, _ = self.verifier.verify_pacts('path/to/pact1',
-                                               'path/to/pact2')
+                                               'path/to/pact2',
+                                               headers=['header1', 'header2'])
 
         assertVerifyCalled(mock_wrapper,
                            'path/to/pact1',
                            'path/to/pact2',
                            provider='test_provider',
+                           custom_provider_headers=['header1', 'header2'],
                            provider_base_url='http://localhost:8888',
                            log_level='INFO',
                            verbose=False,