diff --git a/components/script/dom/xrspace.rs b/components/script/dom/xrspace.rs
index 30f9246c354..171c0621dc8 100644
--- a/components/script/dom/xrspace.rs
+++ b/components/script/dom/xrspace.rs
@@ -99,7 +99,8 @@ impl XRSpace {
             orient[1] as f64,
             orient[2] as f64,
             orient[3] as f64,
-        );
+        )
+        .normalize();
         RigidTransform3D::new(rotation, translation)
     }
 
diff --git a/components/script/dom/xrtest.rs b/components/script/dom/xrtest.rs
index 6c895e226cb..3484badf1a7 100644
--- a/components/script/dom/xrtest.rs
+++ b/components/script/dom/xrtest.rs
@@ -56,7 +56,8 @@ impl XRTestMethods for XRTest {
             .as_window()
             .webvr_thread()
             .unwrap()
-            .send(WebVRMsg::CreateMockDisplay);
+            .send(WebVRMsg::CreateMockDisplay)
+            .unwrap();
         p.resolve_native(&FakeXRDeviceController::new(&self.global()));
 
         p