1 files changed, 2 insertions, 2 deletions
diff --git a/components/script/dom/webidls/XRRigidTransform.webidl b/components/script/dom/webidls/XRRigidTransform.webidl
index d7ad6ac97b4..f7ccd0fb188 100644
--- a/components/script/dom/webidls/XRRigidTransform.webidl
+++ b/components/script/dom/webidls/XRRigidTransform.webidl
@@ -4,10 +4,10 @@
 
 // https://immersive-web.github.io/webxr/#xrrigidtransform-interface
 
-[SecureContext, Exposed=Window]
+[SecureContext, Exposed=Window, Pref="dom.webxr.enabled"]
 // [Constructor(optional DOMPointInit position, optional DOMPointInit orientation)]
 interface XRRigidTransform {
   // readonly attribute DOMPointReadOnly position;
   // readonly attribute DOMPointReadOnly orientation;
   // readonly attribute Float32Array matrix;
-};
-\ No newline at end of file
+};