diff --git a/app/controllers/platform/api/v1/users_controller.rb b/app/controllers/platform/api/v1/users_controller.rb
index 960dee0e3..bf5b642f8 100644
--- a/app/controllers/platform/api/v1/users_controller.rb
+++ b/app/controllers/platform/api/v1/users_controller.rb
@@ -9,7 +9,7 @@ class Platform::Api::V1::UsersController < PlatformController
     @resource = (User.find_by(email: user_params[:email]) || User.new(user_params))
     @resource.save!
     @resource.confirm
-    @platform_app.platform_app_permissibles.find_or_create_by(permissible: @resource)
+    @platform_app.platform_app_permissibles.find_or_create_by!(permissible: @resource)
   end
 
   def login