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BabylonJS · May 20, 2024 · 7d227a0 · 7d227a0
1 parent 5012426
commit 7d227a0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/dev/core/src/Misc/pressureObserverWrapper.ts b/packages/dev/core/src/Misc/pressureObserverWrapper.ts
@@ -31,7 +31,7 @@ export class PressureObserverWrapper {
      * Returns true if PressureObserver is available for use, false otherwise.
      */
     public static get IsAvailable() {
-        return typeof PressureObserver !== "undefined" && PressureObserver.knownSources.includes("cpu");
+        return typeof PressureObserver !== "undefined" && PressureObserver.knownSources && PressureObserver.knownSources.includes("cpu");
     }
 
     /**