diff --git a/www/js/interface.js b/www/js/interface.js
index 655e772..346714c 100644
--- a/www/js/interface.js
+++ b/www/js/interface.js
@@ -127,7 +127,7 @@ const INTERFACE = {
     hover(event) {
         let initial_hover = INTERFACE_DATA.hover;
 
-        let apothem = INTERFACE_DATA.Render.scale;
+        let apothem = INTERFACE_DATA.Render.scale / (window.devicePixelRatio || 1);
         let radius = INTERFACE.Radius * apothem;
         let halfradius = radius / 2;
         let grid_offset_x = 1.5 * radius;