diff --git a/README.md b/README.md
index fef70c6..e49ac2e 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ $provider = new ChatWorkProvider(
 );
 
 $url = $provider->getAuthorizationUrl([
-    'scope' => 'users.all:read rooms.all:read_write'
+    'scope' => ['users.all:read', 'rooms.all:read_write']
 ]);
 ```
 
diff --git a/src/ChatWorkProvider.php b/src/ChatWorkProvider.php
index 2e745d5..8e9ae18 100644
--- a/src/ChatWorkProvider.php
+++ b/src/ChatWorkProvider.php
@@ -113,6 +113,14 @@ protected function createResourceOwner(array $response, AccessToken $token): Res
         );
     }
 
+    /**
+     * @inheritdoc
+     */
+    protected function getScopeSeparator()
+    {
+        return ' ';
+    }
+
     /**
      * @inheritdoc
      */