diff --git a/src/clients/constantcontact/provider/ConstantContact.php b/src/clients/constantcontact/provider/ConstantContact.php
index 0a0696a..650cc5c 100644
--- a/src/clients/constantcontact/provider/ConstantContact.php
+++ b/src/clients/constantcontact/provider/ConstantContact.php
@@ -48,6 +48,16 @@ public function getDefaultScopes()
         return [];
     }
 
+    protected function getScopeSeparator(): string
+    {
+        return ' ';
+    }
+
+    protected function getAuthorizationHeaders($token = null): array
+    {
+        return ['Authorization' => 'Bearer ' . $token->getToken()];
+    }
+
     public function checkResponse(ResponseInterface $response, $data)
     {
         if (!empty($data['errors'])) {