diff --git a/actors/lib/instance_setup.rb b/actors/lib/instance_setup.rb
index <HASH>..<HASH> 100644
--- a/actors/lib/instance_setup.rb
+++ b/actors/lib/instance_setup.rb
@@ -119,7 +119,7 @@ class InstanceSetup
   def configure_repositories(repositories)
     repositories.each do |repo|
       begin
-        klass = constantize(repo.name)
+        klass = repo.name.to_const
         unless klass.nil?
           fz = nil
           if repo.frozen_date
Fixed a lingering call to the no-longer-present method constantize()