diff --git a/app/assets/javascripts/posts.js b/app/assets/javascripts/posts.js
index 67ebd3c7f..022818608 100644
--- a/app/assets/javascripts/posts.js
+++ b/app/assets/javascripts/posts.js
@@ -241,7 +241,7 @@
         $("#edit").show();
         $("#comments").hide();
         $("#share").hide();
-        $("#post_tag_string").focus().selectEnd();
+        $("#post_tag_string").focus().selectEnd().height($("#post_tag_string")[0].scrollHeight);
         $("#related-tags-button").trigger("click");
         $("#find-artist-button").trigger("click");
       } else {