diff --git a/_LSP.js b/_LSP.js
index 653d7a1eb8878698e469d52f64e1dcb498089501..52bfd351be5f05e7bfbba03ae5fee212d9de6521 100644
--- a/_LSP.js
+++ b/_LSP.js
@@ -1013,15 +1013,16 @@ class BaseWidget {
       let canvas = document.createElement("canvas");
       let sourceImg = document.getElementById("sourceImg");
       let silhouetteImg = document.getElementById("silhouetteImg");
+      var size = sourceImg.width > sourceImg.height ? sourceImg.width : sourceImg.height;
       let ctx = canvas.getContext('2d');
       canvas.width = sourceImg.width;
       canvas.height = sourceImg.height;
       ctx.save();
-      ctx.arc(sourceImg.width / 2, sourceImg.height / 2, sourceImg.height / 2, 0, 2 * Math.PI);
+      ctx.arc(sourceImg.width / 2, sourceImg.height / 2, size / 2, 0, 2 * Math.PI);
       ctx.clip();
       ctx.drawImage(sourceImg, 0, 0);
       ctx.restore();
-      let imgData = ctx.getImageData(0, 0, canvas.width, canvas.height);
+      let imgData = ctx.getImageData(0, 0, size, size);
       ctx.putImageData(imgData,0,0);
       silhouetteImg.src = canvas.toDataURL();
       output=canvas.toDataURL();