diff --git a/ports/geckolib/glue.rs b/ports/geckolib/glue.rs
index c0d40c87a83..52ef5c95615 100644
--- a/ports/geckolib/glue.rs
+++ b/ports/geckolib/glue.rs
@@ -1192,6 +1192,14 @@ pub extern "C" fn Servo_DeclarationBlock_RemovePropertyById(declarations: RawSer
     remove_property(declarations, get_property_id_from_nscsspropertyid!(property, ()))
 }
 
+#[no_mangle]
+pub extern "C" fn Servo_MediaList_Create() -> RawServoMediaListStrong {
+
+    let global_style_data = &*GLOBAL_STYLE_DATA;
+    Arc::new(global_style_data.shared_lock.wrap(MediaList::default())).into_strong()
+
+}
+
 #[no_mangle]
 pub extern "C" fn Servo_MediaList_GetText(list: RawServoMediaListBorrowed, result: *mut nsAString) {
     read_locked_arc(list, |list: &MediaList| {