1 files changed, 2 insertions, 2 deletions
diff --git a/src/modules/sightLine.js b/src/modules/sightLine.js
index de88521..4790bd8 100644
--- a/src/modules/sightLine.js
+++ b/src/modules/sightLine.js
@@ -170,8 +170,8 @@ export default class SightLine {
   update(cell, { x, y }) {
     const sl = this.svg.querySelector('.sight-line'),
       target = this.svg.querySelector('.sight-line-target').parentElement,
-      x1 = cell.parentElement.dataset.x,
-      y1 = cell.parentElement.parentElement.dataset.y,
+      x1 = cell.dataset.x,
+      y1 = cell.parentElement.dataset.y,
       x2 = target.dataset.x,
       y2 = target.parentElement.dataset.y;