diff --git a/vnc_lite.html b/vnc_lite.html
index 79d48146..945a8064 100644
--- a/vnc_lite.html
+++ b/vnc_lite.html
@@ -165,6 +165,7 @@
         // Set parameters that can be changed on an active connection
         rfb.viewOnly = readQueryVariable('view_only', false);
         rfb.scaleViewport = readQueryVariable('scale', false);
+        rfb.cropRect = readQueryVariable('crop_rect', '');
     </script>
 </head>