diff --git a/packages/database-interface/oauth.ts b/packages/database-interface/oauth.ts
index 5a681c55..52d3272b 100644
--- a/packages/database-interface/oauth.ts
+++ b/packages/database-interface/oauth.ts
@@ -150,7 +150,7 @@ export class OAuthManager {
         const { flow, userInfo } = oidcFlowData;
 
         // Check if userId is equal to application.clientId
-        if ((flow.application?.clientId ?? "") !== userId) {
+        if (!flow.application?.clientId.startsWith(userId)) {
             return response(null, 302, {
                 Location: `${config.http.base_url}${
                     config.frontend.routes.home
diff --git a/server/api/oauth/sso/index.ts b/server/api/oauth/sso/index.ts
index d79d4256..fa10b3ef 100644
--- a/server/api/oauth/sso/index.ts
+++ b/server/api/oauth/sso/index.ts
@@ -30,6 +30,9 @@ export const schemas = {
     query: z.object({
         issuer: z.string(),
         client_id: z.string().optional(),
+        redirect_uri: z.string().url().optional(),
+        scope: z.string().optional(),
+        response_type: z.enum(["code"]).optional(),
     }),
 };