diff --git a/config/initializers/database_url.rb b/config/initializers/database_url.rb
index b00a55fdf..dd0181022 100644
--- a/config/initializers/database_url.rb
+++ b/config/initializers/database_url.rb
@@ -22,7 +22,7 @@ def self.config_file
   end
 
   def self.db_config
-    config = YAML::load(ERB.new(IO.read(config_file)).result)
+    config = YAML::load(ERB.new(File.read(config_file)).result)
     config[env]
   end