diff --git a/app/services/follow_service.rb b/app/services/follow_service.rb
index 83d86bcd..6f5ce6f3 100644
--- a/app/services/follow_service.rb
+++ b/app/services/follow_service.rb
@@ -3,7 +3,7 @@ class FollowService
   class << self 
     def follow(entity, user, reason)
 
-      return unless is_tester(user)
+      return unless user && is_tester(user)
 
       return unless should_auto_follow(entity, user, reason)