diff --git a/spec/integration/explicit_encryption_spec.rb b/spec/integration/explicit_encryption_spec.rb
index 84c097a18e..f23b1683c7 100644
--- a/spec/integration/explicit_encryption_spec.rb
+++ b/spec/integration/explicit_encryption_spec.rb
@@ -3,7 +3,7 @@
 describe 'Explicit Encryption' do
   require_libmongocrypt
 
-  let(:client) { ClientRegistry.instance.new_local_client(['localhost:27017']) }
+  let(:client) { ClientRegistry.instance.new_local_client(SpecConfig.instance.addresses) }
   let(:key_vault_namespace) { 'test.keys' }
 
   let(:client_encryption_opts) do