fix error position when scrolling shader-combo

1 files changed, 2 insertions, 1 deletions

diff --git a/js/error.highlight.js b/js/error.highlight.js
index f46d0ec..c2d3947 100644
--- a/js/error.highlight.js
+++ b/js/error.highlight.js
@@ -47,7 +47,7 @@ var reposition_highlight = function(){
   dom.highlight.style.left = pos.left + "px"
 
   var y_pos = pos.top + height_until_error - dom.textarea.scrollTop
-  dom.highlight.style.top = y_pos + dom.html.scrollTop + "px"
+  dom.highlight.style.top = y_pos + dom.html.scrollTop + dom.body.scrollTop + "px"
 
   var height_of_highlight = height_with_error;
 
@@ -132,6 +132,7 @@ var create_el_highlight = function(){
 
 var init = function(){
   dom.html = document.querySelector('html')
+  dom.body = document.querySelector('body')
   calc_textarea_style()
   create_el_highlight()
   create_el_textmeasure()