diff --git a/renderer.js b/renderer.js
index cfdd03c..27a19b2 100644
--- a/renderer.js
+++ b/renderer.js
@@ -502,6 +502,7 @@ function autoTrimTransparent() {
     maxY = Math.min(canvas.height, maxY + pad);
 
     // Turn on Crop selection mode visual indicators
+    cropper.crop(); // Manually draw/show the crop selection box
     cropper.setDragMode('crop');
     elements.ctrlCropDrag.classList.remove('active');
     elements.ctrlCropBox.classList.add('active');