diff --git a/src/item/Raster.js b/src/item/Raster.js
index e53325a7..acc888e2 100644
--- a/src/item/Raster.js
+++ b/src/item/Raster.js
@@ -501,12 +501,16 @@ var Raster = Item.extend(/** @lends Raster# */{
             // TODO: How about rounding of bounds.size?
             path = object;
             bounds = object.getBounds();
-        } else if (object.width) {
-            bounds = new Rectangle(object);
-        } else if (object.x) {
-            // Create a rectangle of 1px size around the specified coordinates
-            bounds = new Rectangle(object.x - 0.5, object.y - 0.5, 1, 1);
+        } else if (typeof object === 'object') {
+            if ('width' in object) {
+                bounds = new Rectangle(object);
+            } else if ('x' in object) {
+                // Create a rectangle of 1px size around the specified point.
+                bounds = new Rectangle(object.x - 0.5, object.y - 0.5, 1, 1);
+            }
         }
+        if (!bounds)
+            return null;
         // Use a sample size of max 32 x 32 pixels, into which the path is
         // scaled as a clipping path, and then the actual image is drawn in and
         // sampled.