diff --git a/common/content/tabs.js b/common/content/tabs.js
index db906ff0..9500fdb0 100644
--- a/common/content/tabs.js
+++ b/common/content/tabs.js
@@ -955,7 +955,7 @@ const Tabs = Module("tabs", {
                                       "See 'showtabline' option.");
                         tabs.tabStyle.enabled = false;
                     }
-                    if (value != 1)
+                    if (value != 1 || !dactyl.has("Gecko2"))
                         config.tabStrip.collapsed = false;
                     return value;
                 },