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-rw-r--r--actionpack/lib/action_dispatch/routing/url_for.rb3
1 files changed, 2 insertions, 1 deletions
diff --git a/actionpack/lib/action_dispatch/routing/url_for.rb b/actionpack/lib/action_dispatch/routing/url_for.rb
index 967bbd62f8..883cd9c2c3 100644
--- a/actionpack/lib/action_dispatch/routing/url_for.rb
+++ b/actionpack/lib/action_dispatch/routing/url_for.rb
@@ -180,7 +180,8 @@ module ActionDispatch
when Symbol
HelperMethodBuilder.url.handle_string_call self, options
when Array
- polymorphic_url(options, options.extract_options!)
+ components = options.dup
+ polymorphic_url(components, components.extract_options!)
when Class
HelperMethodBuilder.url.handle_class_call self, options
else