diff --git a/app/assets/javascripts/posts.js b/app/assets/javascripts/posts.js
index 71c202188..78494fc85 100644
--- a/app/assets/javascripts/posts.js
+++ b/app/assets/javascripts/posts.js
@@ -68,10 +68,14 @@
         });
       }
     });
+
     $fields.on("autocompleteopen", function() {
       Danbooru.autocompleting = true;
     });
+
     $fields.on("autocompleteclose", function() {
+      // this is needed otherwise the var is disabled by the time the
+      // keydown is triggered
       setTimeout(function() {Danbooru.autocompleting = false;}, 100);
     });