diff --git a/lib/travis/features.rb b/lib/travis/features.rb
index 5b2f82d2..a93fe86a 100644
--- a/lib/travis/features.rb
+++ b/lib/travis/features.rb
@@ -111,6 +111,7 @@ module Travis
     #
     # By default, this return false.
     def owner_active?(feature, owner)
+      return false unless owner
       redis.sismember(owner_key(feature, owner), owner.id)
     end