diff --git a/debug_toolbar/panels/history/views.py b/debug_toolbar/panels/history/views.py
index 3fcbd9b32..fd97fe55e 100644
--- a/debug_toolbar/panels/history/views.py
+++ b/debug_toolbar/panels/history/views.py
@@ -24,7 +24,7 @@ def history_sidebar(request):
         for panel in toolbar.panels:
             if exclude_history and not panel.is_historical:
                 continue
-            panel_context = {"panel": panel}
+            panel_context = {"panel": panel, "toolbar": toolbar}
             context[panel.panel_id] = {
                 "button": render_to_string(
                     "debug_toolbar/includes/panel_button.html", panel_context