diff --git a/firefox/55-proxy_dns_socks5.yml b/firefox/55-proxy_dns_socks5.yml
index c228dd4..a52a95e 100644
--- a/firefox/55-proxy_dns_socks5.yml
+++ b/firefox/55-proxy_dns_socks5.yml
@@ -2,3 +2,13 @@
 proxy_dns_socks5:
   description: Use proxy DNS when using SOCKS v5
   default: false
+  disabled:
+    jinja: |
+      {% if manual.socks_proxy.version is propertyerror %}
+      the proxy mode is not manual
+      {% elif manual.socks_proxy.version == 'v4' %}
+      socks version is v4
+      {% endif %}
+    description: |
+      if "firefox.proxy_mode" is not "Manual proxy configuration"
+      or "firefox.manual.socks_proxy.version" is "v4"