diff --git a/actionpack/lib/action_controller/routing/segments.rb b/actionpack/lib/action_controller/routing/segments.rb index 864e068004..f0ad066bad 100644 --- a/actionpack/lib/action_controller/routing/segments.rb +++ b/actionpack/lib/action_controller/routing/segments.rb @@ -249,7 +249,7 @@ module ActionController end def extract_value - "#{local_name} = hash[:#{key}] && hash[:#{key}].collect { |path_component| URI.escape(path_component.to_param, ActionController::Routing::Segment::UNSAFE_PCHAR) }.to_param #{"|| #{default.inspect}" if default}" + "#{local_name} = hash[:#{key}] && Array(hash[:#{key}]).collect { |path_component| URI.escape(path_component.to_param, ActionController::Routing::Segment::UNSAFE_PCHAR) }.to_param #{"|| #{default.inspect}" if default}" end def default