diff --git a/lib/matplotlib/backends/web_backend/js/mpl.js b/lib/matplotlib/backends/web_backend/js/mpl.js
index 6a81610a2ba7..7c774b4a16d0 100644
--- a/lib/matplotlib/backends/web_backend/js/mpl.js
+++ b/lib/matplotlib/backends/web_backend/js/mpl.js
@@ -346,7 +346,7 @@ mpl.figure.prototype.handle_rubberband = function(fig, msg) {
     var height = Math.abs(y1 - y0);
 
     fig.rubberband_context.clearRect(
-        0, 0, fig.canvas.width, fig.canvas.height);
+        0, 0, fig.canvas.width / mpl.ratio, fig.canvas.height / mpl.ratio);
 
     fig.rubberband_context.strokeRect(min_x, min_y, width, height);
 }