diff --git a/clark.js b/clark.js
index 860537f..b23e870 100644
--- a/clark.js
+++ b/clark.js
@@ -47,12 +47,14 @@ function clark_url_completer () {
     return merge_completers(completers);
 }
 
+minibuffer_auto_complete_preferences["clark"] = true;
 define_browser_object_class(
     "clark-bookmark", null,
     function (I, prompt) {
         check_buffer(I.buffer, content_buffer);
         var result = yield I.buffer.window.minibuffer.read(
-            $prompt = prompt, $completer = clark_url_completer()
+            $prompt = prompt, $completer = clark_url_completer(),
+            $history = "clark", $auto_complete = "clark"
         );
         yield co_return(result);
     }