diff --git a/lib/src/client.dart b/lib/src/client.dart
index c6763c83..c4bb8edb 100644
--- a/lib/src/client.dart
+++ b/lib/src/client.dart
@@ -1056,8 +1056,10 @@ class Client {
   /// The generated token is only valid for exchanging for user information from the federation API for OpenID.
   Future<OpenIdCredentials> requestOpenIdCredentials() async {
     final Map<String, dynamic> response = await jsonRequest(
-        type: HTTPType.POST,
-        action: "/client/r0/user/$userID/openid/request_token");
+      type: HTTPType.POST,
+      action: "/client/r0/user/$userID/openid/request_token",
+      data: {},
+    );
     return OpenIdCredentials.fromJson(response);
   }
 }