diff --git a/packages/core/src/textures/resources/CanvasResource.js b/packages/core/src/textures/resources/CanvasResource.js
index 7ba0eaf..68252b8 100644
--- a/packages/core/src/textures/resources/CanvasResource.js
+++ b/packages/core/src/textures/resources/CanvasResource.js
@@ -13,11 +13,14 @@
      * Used to auto-detect the type of resource.
      *
      * @static
-     * @param {*} source - The source object
+     * @param {HTMLCanvasElement|OffscreenCanvas} source - The source object
      * @return {boolean} `true` if <canvas>
      */
     static test(source)
     {
-        return (source instanceof HTMLCanvasElement);
+        return (source && (
+            source instanceof HTMLCanvasElement
+            || source instanceof window.OffscreenCanvas
+        ));
     }
 }