diff --git a/firefox/10-manual.yml b/firefox/10-manual.yml
index 8a704f56..29ea6a30 100644
--- a/firefox/10-manual.yml
+++ b/firefox/10-manual.yml
@@ -2,3 +2,7 @@
 manual:
   description: Manual proxy configuration
   type: family
+  disabled:
+    type: variable
+    variable: proxy_mode
+    when_not: 'Manual proxy configuration'