diff --git a/letsencrypt-compatibility-test/letsencrypt_compatibility_test/configurators/apache/common.py b/letsencrypt-compatibility-test/letsencrypt_compatibility_test/configurators/apache/common.py
index bcc66b98a..5f183b611 100644
--- a/letsencrypt-compatibility-test/letsencrypt_compatibility_test/configurators/apache/common.py
+++ b/letsencrypt-compatibility-test/letsencrypt_compatibility_test/configurators/apache/common.py
@@ -176,7 +176,7 @@ class Proxy(configurators_common.Proxy):
             return {"example.com"}
 
     def deploy_cert(self, domain, cert_path, key_path, chain_path=None,
-        fullchain_path=None):
+            fullchain_path=None):
         """Installs cert"""
         cert_path, key_path, chain_path = self.copy_certs_and_keys(
             cert_path, key_path, chain_path)
diff --git a/letsencrypt-nginx/letsencrypt_nginx/configurator.py b/letsencrypt-nginx/letsencrypt_nginx/configurator.py
index 8f7431a72..d1ab8f3d1 100644
--- a/letsencrypt-nginx/letsencrypt_nginx/configurator.py
+++ b/letsencrypt-nginx/letsencrypt_nginx/configurator.py
@@ -119,7 +119,7 @@ class NginxConfigurator(common.Plugin):
 
     # Entry point in main.py for installing cert
     def deploy_cert(self, domain, cert_path, key_path,
-        chain_path, fullchain_path):
+            chain_path, fullchain_path):
         # pylint: disable=unused-argument
         """Deploys certificate to specified virtual host.
 
diff --git a/letsencrypt/plugins/null.py b/letsencrypt/plugins/null.py
index 632fe415a..e87537684 100644
--- a/letsencrypt/plugins/null.py
+++ b/letsencrypt/plugins/null.py
@@ -31,7 +31,7 @@ class Installer(common.Plugin):
         return []
 
     def deploy_cert(self, domain, cert_path, key_path,
-        chain_path=None, fullchain_path=None):
+            chain_path=None, fullchain_path=None):
         pass  # pragma: no cover
 
     def enhance(self, domain, enhancement, options=None):