diff --git a/src/vpu-pdf-preview.js b/src/vpu-pdf-preview.js
index 5e86e413cddad9e0ead11141026e175389d6acf6..64d1cfed7ba7d4520ac8c45947db10e8fff0c485 100644
--- a/src/vpu-pdf-preview.js
+++ b/src/vpu-pdf-preview.js
@@ -378,6 +378,8 @@ export class PdfPreview extends ScopedElementsMixin(VPULitElement) {
 
         const data = {
             "currentPage": this.currentPage,
+            "scaleX": item.get("scaleX") / this.canvasToPdfScale,
+            "scaleY": item.get("scaleY") / this.canvasToPdfScale,
             "width": item.get("width") * item.get("scaleX") / this.canvasToPdfScale,
             "height": item.get("height") * item.get("scaleY") / this.canvasToPdfScale,
             "left": left / this.canvasToPdfScale,