diff --git a/lib/open_food_network/feature_toggle.rb b/lib/open_food_network/feature_toggle.rb
index 12aaa90a038..5ee51a82f9b 100644
--- a/lib/open_food_network/feature_toggle.rb
+++ b/lib/open_food_network/feature_toggle.rb
@@ -31,6 +31,8 @@ def self.enabled?(feature_name, user = nil)
     end
 
     def self.enable(feature_name, user_emails)
+      return unless user_emails.present?
+
       Thread.current[:features] ||= {}
       Thread.current[:features][feature_name] = Feature.new(user_emails)
     end