diff --git a/lib/torque/renderer/point.js b/lib/torque/renderer/point.js
index 8e67d5a..0f53ae2 100644
--- a/lib/torque/renderer/point.js
+++ b/lib/torque/renderer/point.js
@@ -69,10 +69,10 @@
 
       var canvas = document.createElement('canvas');
       var ctx = canvas.getContext('2d');
-      ctx.width = canvas.width = canvasSize;
-      ctx.height = canvas.height = canvasSize;
-      ctx.translate(pointSize, pointSize);
-      if(st['point-file'] || st['marker-fil']) {
+      ctx.width = canvas.width = Math.ceil(canvasSize);
+      ctx.height = canvas.height = Math.ceil(canvasSize);
+      ctx.translate(canvasSize/2, canvasSize/2);
+      if(st['point-file'] || st['marker-file']) {
         torque.cartocss.renderSprite(ctx, st);
       } else {
         torque.cartocss.renderPoint(ctx, st);