diff --git a/app/main.js b/app/main.js
index b230a19..39d4317 100644
--- a/app/main.js
+++ b/app/main.js
@@ -293,7 +293,7 @@ function circlepack(bin, canvas) {
 }
 
 jQuery(document).on('click', '#repack', function() {
-  if (circle) {
+  if (iscircle) {
     circlerepack(canvas);
   } else {
     repack(canvas);