1 files changed, 2 insertions, 3 deletions
diff --git a/components/script/dom/cssstyledeclaration.rs b/components/script/dom/cssstyledeclaration.rs
index ecf4b35e61c..2ef448720d6 100644
--- a/components/script/dom/cssstyledeclaration.rs
+++ b/components/script/dom/cssstyledeclaration.rs
@@ -17,13 +17,12 @@ use dom_struct::dom_struct;
 use servo_url::ServoUrl;
 use std::ascii::AsciiExt;
 use style::attr::AttrValue;
-use style::parser::PARSING_MODE_DEFAULT;
 use style::properties::{Importance, PropertyDeclarationBlock, PropertyId, LonghandId, ShorthandId};
 use style::properties::{parse_one_declaration_into, parse_style_attribute, SourcePropertyDeclaration};
 use style::selector_parser::PseudoElement;
 use style::shared_lock::Locked;
 use style::stylearc::Arc;
-use style_traits::ToCss;
+use style_traits::{PARSING_MODE_DEFAULT, ToCss};
 
 // http://dev.w3.org/csswg/cssom/#the-cssstyledeclaration-interface
 #[dom_struct]
@@ -147,7 +146,7 @@ impl CSSStyleOwner {
         match *self {
             CSSStyleOwner::Element(ref el) => window_from_node(&**el).Document().base_url(),
             CSSStyleOwner::CSSRule(ref rule, _) => {
-                rule.parent_stylesheet().style_stylesheet().url_data.clone()
+                (*rule.parent_stylesheet().style_stylesheet().url_data.read()).clone()
             }
         }
     }