diff --git a/content/docs/fossvr/wivrn/_index.md b/content/docs/fossvr/wivrn/_index.md
index a03909c..6a812bb 100644
--- a/content/docs/fossvr/wivrn/_index.md
+++ b/content/docs/fossvr/wivrn/_index.md
@@ -77,6 +77,7 @@ To use SlimeVR trackers through WiVRn, you currently must use a [fork](https://g
 To use this fork within Envision, edit these fields in your profile:
 - XR Service Repo: `https://github.com/notpeelz/WiVRn.git`
 - XR Service Branch: `solarxr-patches`
+- XR Service CMake Flags: Add `WIVRN_FEATURE_SOLARXR=ON`
 
 Then save and clean build the profile.