diff --git a/components/script/dom/webidls/XRRenderState.webidl b/components/script/dom/webidls/XRRenderState.webidl
index feaf6160db3..195d5acf3ac 100644
--- a/components/script/dom/webidls/XRRenderState.webidl
+++ b/components/script/dom/webidls/XRRenderState.webidl
@@ -10,7 +10,7 @@ dictionary XRRenderStateInit {
   XRLayer baseLayer;
 };
 
-[SecureContext, Exposed=Window] interface XRRenderState {
+[SecureContext, Exposed=Window, Pref="dom.webxr.enabled"] interface XRRenderState {
   readonly attribute double depthNear;
   readonly attribute double depthFar;
   readonly attribute XRLayer? baseLayer;