diff --git a/config/initializers/inflections.rb b/config/initializers/inflections.rb
index 62ffe294f..07197a4b2 100644
--- a/config/initializers/inflections.rb
+++ b/config/initializers/inflections.rb
@@ -13,6 +13,7 @@
 # These inflection rules are supported but not enabled by default:
 ActiveSupport::Inflector.inflections(:en) do |inflect|
   inflect.acronym "SQLite"
+  inflect.acronym "IO"
 
   inflect.singular "quotas", "quota"
   inflect.plural "quota", "quotas"