diff --git a/actionpack/lib/action_dispatch/http/url.rb b/actionpack/lib/action_dispatch/http/url.rb
index a7dbceed67b8ba94f206d193bb957ddde5b2483b..6b8dcaf4977a48ef9dd7caa2d13f8fdb8705e15a 100644
--- a/actionpack/lib/action_dispatch/http/url.rb
+++ b/actionpack/lib/action_dispatch/http/url.rb
@@ -92,13 +92,13 @@ def add_trailing_slash(path)
 
         def build_host_url(host, port, protocol, options, path)
           if match = host.match(HOST_REGEXP)
-            protocol           ||= match[1] unless protocol == false
-            host                 = match[2]
-            port                 = match[3] unless options.key? :port
+            protocol ||= match[1] unless protocol == false
+            host       = match[2]
+            port       = match[3] unless options.key? :port
           end
 
-          protocol       = normalize_protocol protocol
-          host           = normalize_host(host, options)
+          protocol = normalize_protocol protocol
+          host     = normalize_host(host, options)
 
           result = protocol.dup