diff --git a/gfx/2d/2D.h b/gfx/2d/2D.h
index 34b5dc7f6fc1..198f8bdb56ac 100644
--- a/gfx/2d/2D.h
+++ b/gfx/2d/2D.h
@@ -617,7 +617,7 @@ class FlattenedPath;
 /** The path class is used to create (sets of) figures of any shape that can be
  * filled or stroked to a DrawTarget
  */
-class Path : public RefCounted<Path>
+class Path : public external::AtomicRefCounted<Path>
 {
 public:
   MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(Path)