1 files changed, 3 insertions, 2 deletions
diff --git a/components/script/dom/cssstylesheet.rs b/components/script/dom/cssstylesheet.rs
index 1a99767d1a0..c8f801a0417 100644
--- a/components/script/dom/cssstylesheet.rs
+++ b/components/script/dom/cssstylesheet.rs
@@ -8,7 +8,7 @@ use dom::bindings::error::{ErrorResult, Fallible};
 use dom::bindings::js::{JS, Root, MutNullableHeap};
 use dom::bindings::reflector::{reflect_dom_object, Reflectable};
 use dom::bindings::str::DOMString;
-use dom::cssrulelist::CSSRuleList;
+use dom::cssrulelist::{CSSRuleList, RulesSource};
 use dom::stylesheet::StyleSheet;
 use dom::window::Window;
 use std::sync::Arc;
@@ -45,7 +45,8 @@ impl CSSStyleSheet {
     fn rulelist(&self) -> Root<CSSRuleList> {
         self.rulelist.or_init(|| CSSRuleList::new(self.global().as_window(),
                                                   self,
-                                                  self.style_stylesheet.rules.clone()))
+                                                  RulesSource::Rules(self.style_stylesheet
+                                                                         .rules.clone())))
     }
 }