diff --git a/config/roles/database_server.rb b/config/roles/database_server.rb
index 3b194ee..ceb2041 100644
--- a/config/roles/database_server.rb
+++ b/config/roles/database_server.rb
@@ -1,3 +1,6 @@
 name 'database_server'
 description 'Database server'
-run_list 'recipe[postgresql]', 'recipe[postgresql::colab]'
+run_list *[
+  'recipe[postgresql]',
+  'recipe[postgresql::colab]',
+]
--
libgit2 0.21.2