diff --git a/app/src/components/SVGContent.vue b/app/src/components/SVGContent.vue
index a6dc675..5311ad6 100644
--- a/app/src/components/SVGContent.vue
+++ b/app/src/components/SVGContent.vue
@@ -54,7 +54,8 @@ export default defineComponent({
       panToAnchor.value = (anchor: SVGRectElement) => {
         const transform = pz.getTransform();
         const currentRatio = svg.clientWidth * transform.scale / svg.viewBox.baseVal.width;
-        const targetScale = 1; // todo
+        const ratio = svg.clientWidth / svg.viewBox.baseVal.width;
+        const targetScale = anchor.width.baseVal.value * ratio / window.innerWidth;
 
         const svgTargetX = anchor.x.baseVal.value + anchor.width.baseVal.value / 2;
         const svgTargetY = anchor.y.baseVal.value + anchor.height.baseVal.value / 2;