diff --git a/package.json b/package.json
index 3c1621e8..cee02f4d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@highlight-run/rrweb",
-  "version": "1.1.14",
+  "version": "1.1.15",
   "description": "record and replay the web",
   "scripts": {
     "test": "npm run bundle:browser && cross-env TS_NODE_CACHE=false TS_NODE_FILES=true mocha -r ts-node/register -r ignore-styles -r jsdom-global/register test/**.test.ts",
diff --git a/src/snapshot/snapshot.ts b/src/snapshot/snapshot.ts
index 6e4c544a..fa1bf673 100644
--- a/src/snapshot/snapshot.ts
+++ b/src/snapshot/snapshot.ts
@@ -207,7 +207,7 @@ export function absoluteToDoc(doc: Document, attributeValue: string): string {
 }
 
 function isSVGElement(el: Element): boolean {
-  return el.tagName === 'svg' || el instanceof SVGElement;
+  return Boolean(el.tagName === 'svg' || (el as SVGElement).ownerSVGElement);
 }
 
 function getHref() {
diff --git a/src/snapshot/utils.ts b/src/snapshot/utils.ts
index 2b059765..7f848099 100644
--- a/src/snapshot/utils.ts
+++ b/src/snapshot/utils.ts
@@ -60,7 +60,8 @@ export function is2DCanvasBlank(canvas: HTMLCanvasElement): boolean {
       // even if we can already tell from the first chunk(s) that
       // the canvas isn't blank
       const pixelBuffer = new Uint32Array(
-        originalGetImageData(
+        originalGetImageData.call(
+          ctx,
           x,
           y,
           Math.min(chunkSize, canvas.width - x),