diff --git a/app/validators/subscription_group_validator.rb b/app/validators/subscription_group_validator.rb
index c35874719..33d2ce3e9 100644
--- a/app/validators/subscription_group_validator.rb
+++ b/app/validators/subscription_group_validator.rb
@@ -1,6 +1,6 @@
 class SubscriptionGroupValidator < ActiveModel::Validator
   def validate(record)
-    return if record.statistic_profile.group_id == record.plan.group
+    return if record.statistic_profile.group_id == record.plan.group_id
 
     record.errors[:plan_id] << "This plan is not compatible with the current user's group"
   end