diff --git a/www/js/interface.js b/www/js/interface.js
index e934020..ba14792 100644
--- a/www/js/interface.js
+++ b/www/js/interface.js
@@ -351,7 +351,7 @@ const INTERFACE = {
 
     click_touch(event) {
         let rect = event.target.getBoundingClientRect();
-        let touch = event.tocuhes[0] || event.changedTouches[0];
+        let touch = event.touches[0] || event.changedTouches[0];
         let x = touch.clientX - rect.left;
         let y = touch.clientY - rect.top;