diff --git a/rb/lib/selenium/webdriver/remote/bridge.rb b/rb/lib/selenium/webdriver/remote/bridge.rb
index de2f15194387e..eb422ddd36d36 100644
--- a/rb/lib/selenium/webdriver/remote/bridge.rb
+++ b/rb/lib/selenium/webdriver/remote/bridge.rb
@@ -586,7 +586,7 @@ def add_credential(credential, id)
         end
 
         def credentials(authenticator_id)
-          execute :get_credentials, {}, {authenticatorId: authenticator_id}
+          execute :get_credentials, {authenticatorId: authenticator_id}
         end
 
         def remove_credential(credential_id, authenticator_id)