diff --git a/README.md b/README.md
index 74c62fc..a784eb8 100644
--- a/README.md
+++ b/README.md
@@ -219,6 +219,13 @@ sudo systemctl enable naxalnet.service
 
 Now naxalnet will start a mesh on every boot.
 
+If you use GNOME, you should mask `wpa_supplicant.service` so that it
+cannot be started by systemd. See issue #21
+
+```sh
+sudo systemctl mask wpa_supplicant.service
+```
+
 If you have NetworkManager enabled, which is the default in Ubuntu and
 Fedora, it should be disabled: