diff --git a/contrib/js/backlink.js b/contrib/js/backlink.js
index dcf3f5d..b5d74d1 100644
--- a/contrib/js/backlink.js
+++ b/contrib/js/backlink.js
@@ -265,7 +265,7 @@ function init(prefix) {
   e.ondragend = function(ev) {
     ev.preventDefault();
     var el = document.getElementById("postform_container");
-    el.setAttribute("style", "top: "+ev.y+"px; left: "+ev.x+ "px; position: fixed; ");
+    el.setAttribute("style", "top: "+ev.windowY+"px; left: "+ev.windowX+ "px; position: fixed; ");
   }
 }
 
diff --git a/contrib/static/nntpchan.js b/contrib/static/nntpchan.js
index f8ca398..5aac3a9 100644
--- a/contrib/static/nntpchan.js
+++ b/contrib/static/nntpchan.js
@@ -37,7 +37,7 @@ parent.appendChild(wrapper);parent.backlink=false;},function(msg){var wrapper=do
 parent.backlink=true;}};parent.backlink=true;}
 function inject_hover_for_element(elem){var elems=elem.getElementsByClassName("backlink");var ls=[];var l=elems.length;for(var idx=0;idx<l;idx++){var e=elems[idx];ls.push(e);}
 for(var elem in ls){inject_hover(prefix,ls[elem]);}}
-function init(prefix){inject_hover_for_element(document);var rpl=getReplyTo();rpl.setPrefix(prefix);var e=rpl.elem;e.setAttribute("draggable","true");e.ondragend=function(ev){ev.preventDefault();var el=document.getElementById("postform_container");el.setAttribute("style","top: "+ev.y+"px; left: "+ev.x+"px; position: fixed; ");}}
+function init(prefix){inject_hover_for_element(document);var rpl=getReplyTo();rpl.setPrefix(prefix);var e=rpl.elem;e.setAttribute("draggable","true");e.ondragend=function(ev){ev.preventDefault();var el=document.getElementById("postform_container");el.setAttribute("style","top: "+ev.windowY+"px; left: "+ev.windowX+"px; position: fixed; ");}}
 /* ./contrib/js/banner.js */
 var banner_count=3;function nntpchan_inject_banners(elem,prefix){var n=Math.floor(Math.random()*banner_count);var banner=prefix+"static/banner_"+n+".jpg";var e=document.createElement("img");e.src=banner;e.id="nntpchan_banner";elem.appendChild(e);}
 /* ./contrib/js/expand-image.js */