diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index 0bcdc8fb..3c36d8d7 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -33,7 +33,10 @@
 
 FactoryBot.find_definitions
 
-WebMock.disable_net_connect!(allow_localhost: true, allow: /^elasticsearch[-a-z0-9]*$/)
+WebMock.disable_net_connect!(
+  allow_localhost: true,
+  allow: Rails.configuration.elasticsearch["host"],
+)
 
 RSpec.configure do |config|
   # RSpec Rails can automatically mix in different behaviours to your tests