diff --git a/Airspy-HF--and-Discovery-device-notes.md b/Airspy-HF--and-Discovery-device-notes.md
index 98abc58..4ce6e0a 100644
--- a/Airspy-HF--and-Discovery-device-notes.md
+++ b/Airspy-HF--and-Discovery-device-notes.md
@@ -14,7 +14,7 @@ git clone https://github.com/airspy/airspyhf.git
 cd airspyhf
 mkdir build
 cd build
-cmake ..
+cmake -DINSTALL_UDEV_RULES=ON ..
 make
 sudo make install
 cd ../..