diff --git a/config/roles/integration_server.rb b/config/roles/integration_server.rb
index 7dc63cb..6113a4c 100644
--- a/config/roles/integration_server.rb
+++ b/config/roles/integration_server.rb
@@ -3,4 +3,11 @@ description "Server that runs COLAB (user authentication, visual integration and
 
 # TODO colab and mailman-api should be able to run in separate hosts at some
 # point in the future
-run_list 'recipe[mailman-api]', 'recipe[mailman]', 'recipe[mailman::webui]', 'recipe[colab]', 'recipe[basics::nginx]', 'recipe[colab::nginx]'
+run_list *[
+  'recipe[mailman-api]',
+  'recipe[mailman]',
+  'recipe[mailman::webui]',
+  'recipe[colab]',
+  'recipe[basics::nginx]',
+  'recipe[colab::nginx]',
+]
--
libgit2 0.21.2