diff --git a/USBVM.md b/USBVM.md
index 822354f3..bea3af61 100644
--- a/USBVM.md
+++ b/USBVM.md
@@ -7,6 +7,8 @@ permalink: /wiki/USBVM/
 USB Pass through: USBVM
 -----------------------
 
+**WARNING:** This is experimental and very broken.
+
 Source: [​https://groups.google.com/d/msg/qubes-devel/4AKulABh2Jc/\_R7SRSC4peYJ](https://groups.google.com/d/msg/qubes-devel/4AKulABh2Jc/_R7SRSC4peYJ)
 
 You'll need the patch tagged abb\_e58b432 from [​git://github.com/grwl/qubes-core.git](git://github.com/grwl/qubes-core.git).