diff --git a/src/tabbar/clipped_tab/_show_close_button_at_hover.scss b/src/tabbar/clipped_tab/_show_close_button_at_hover.scss
index f2a6116..ec8d7eb 100644
--- a/src/tabbar/clipped_tab/_show_close_button_at_hover.scss
+++ b/src/tabbar/clipped_tab/_show_close_button_at_hover.scss
@@ -15,7 +15,7 @@
   visibility: visible !important;
   opacity: 1;
 }
-@include Option("userChrome.tab.always_show_close_button_at_hover") {
+@include Option("userChrome.tab.close_button_at_hover.always") {
   .tabbrowser-tab:not([visuallyselected]) .tab-close-button {
     visibility: collapse !important;
     opacity: 0;
@@ -38,7 +38,7 @@
     transition: opacity 0.25s var(--animation-easing-function) !important;
   }
 
-  @include Option("userChrome.tab.always_show_close_button_at_hover") {
+  @include Option("userChrome.tab.close_button_at_hover.always") {
     /* Fade out */
     .tabbrowser-tab:not([visuallyselected]) .tab-close-button {
       transition: opacity 0.1s var(--animation-easing-function) !important;
diff --git a/user.js b/user.js
index 098110c..d901b19 100644
--- a/user.js
+++ b/user.js
@@ -62,10 +62,10 @@ user_pref("userChrome.tab.bottom_rounded_corner",      true);
 // user_pref("userChrome.urlView.go_button_when_typing",    true);
 // user_pref("userChrome.urlView.always_show_page_actions", true);
 
-// user_pref("userChrome.tab.always_show_tab_icon",              true);
-// user_pref("userChrome.tab.always_show_close_button_at_hover", true); // Need close_button_at_hover
-// user_pref("userChrome.tab.sound_show_label",                  true); // Need remove sound_hide_label
-// user_pref("userChrome.tab.centered_label",                    true);
+// user_pref("userChrome.tab.always_show_tab_icon",         true);
+// user_pref("userChrome.tab.close_button_at_hover.always", true); // Need close_button_at_hover
+// user_pref("userChrome.tab.sound_show_label",             true); // Need remove sound_hide_label
+// user_pref("userChrome.tab.centered_label",               true);
 
 // == Theme Default Settings ===================================================
 // -- User Chrome --------------------------------------------------------------