diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index ff1754fbe7e..92735336572 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,7 +1,7 @@
 require './spec/simplecov_env'
 SimpleCovEnv.start!
 
-ENV["RAILS_ENV"] ||= 'test'
+ENV["RAILS_ENV"] = 'test'
 ENV["IN_MEMORY_APPLICATION_SETTINGS"] = 'true'
 
 require File.expand_path("../../config/environment", __FILE__)