diff --git a/lib/datadog_backup/local_filesystem.rb b/lib/datadog_backup/local_filesystem.rb
index ecc604f..915a830 100644
--- a/lib/datadog_backup/local_filesystem.rb
+++ b/lib/datadog_backup/local_filesystem.rb
@@ -34,7 +34,7 @@ def dump(object)
       when :json
         JSON.pretty_generate(object.deep_sort(array: disable_array_sort ? false : true))
       when :yaml
-        YAML.dump(object.deep_sort(array: disable_array_sort ? false : true))
+        YAML.dump(object.deep_sort(array: disable_array_sort ? false : true)).gsub('"y":','y:')
       else
         raise 'invalid output_format specified or not specified'
       end