diff --git a/user.js b/user.js
index 8e0cdfb..1bfbb94 100644
--- a/user.js
+++ b/user.js
@@ -179,6 +179,7 @@ user_pref("browser.privateWindowSeparation.enabled", false); // WINDOWS
 /** AI ***/
 user_pref("browser.ml.enable", false);
 user_pref("browser.ml.chat.enabled", false);
+user_pref("browser.tabs.groups.smart.enabled", false);
 
 /** FULLSCREEN NOTICE ***/
 user_pref("full-screen-api.transition-duration.enter", "0 0");
@@ -227,3 +228,4 @@ user_pref("layout.word_select.eat_space_to_next_word", false);
 /****************************************************************************
  * END: BETTERFOX                                                           *
 ****************************************************************************/
+