diff --git a/packages/frontend/src/workers/test-webgl2.ts b/packages/frontend/src/workers/test-webgl2.ts
index 4769524d9c..5027fa0784 100644
--- a/packages/frontend/src/workers/test-webgl2.ts
+++ b/packages/frontend/src/workers/test-webgl2.ts
@@ -1,7 +1,13 @@
-const canvas = new OffscreenCanvas(1, 1);
-const gl = canvas.getContext('webgl2');
-if (gl) {
-    postMessage({ result: true });
-} else {
+try {
+    // throw ReferenceError in Safari <= 16.3
+    const canvas = new OffscreenCanvas(1, 1);
+    const gl = canvas.getContext('webgl2');
+    if (gl) {
+        postMessage({ result: true });
+    } else {
+        postMessage({ result: false });
+    }
+} catch (err) {
+    // assert(e instanceof ReferenceError)
     postMessage({ result: false });
 }