diff --git a/user.js b/user.js
index fc27fde..17d866f 100644
--- a/user.js
+++ b/user.js
@@ -46,6 +46,7 @@ user_pref("network.ssl_tokens_cache_capacity", 10240);
 
 /** SPECULATIVE LOADING ***/
 user_pref("network.dns.disablePrefetch", true);
+user_pref("network.dns.disablePrefetchFromHTTPS", true);
 user_pref("network.prefetch-next", false);
 user_pref("network.predictor.enabled", false);