diff --git a/lib/fog/aws/models/compute/vpc.rb b/lib/fog/aws/models/compute/vpc.rb
index 2103fd293..46aa34803 100644
--- a/lib/fog/aws/models/compute/vpc.rb
+++ b/lib/fog/aws/models/compute/vpc.rb
@@ -39,7 +39,7 @@ module Fog
         end
 
         def is_default?
-          require :is_default
+          requires :is_default
           is_default
         end