diff --git a/frontend/src/app/core/services/web-node.service.ts b/frontend/src/app/core/services/web-node.service.ts
index eedc2a5b27..7767b6b754 100644
--- a/frontend/src/app/core/services/web-node.service.ts
+++ b/frontend/src/app/core/services/web-node.service.ts
@@ -20,7 +20,7 @@ export class WebNodeService {
 
   readonly webnodeProgress$: BehaviorSubject<string> = new BehaviorSubject<string>('');
 
-  memory: WebAssembly.Memory;
+  memory: WebAssembly.MemoryDescriptor;
 
   constructor(private http: HttpClient) {
     FileProgressHelper.initDownloadProgress();
@@ -56,7 +56,7 @@ export class WebNodeService {
   startWasm$(): Observable<any> {
     return of(any(window).webnode)
       .pipe(
-        switchMap((wasm: any) => from(wasm.default(undefined, this.memory)).pipe(map(() => wasm))),
+        switchMap((wasm: any) => from(wasm.default(undefined, new WebAssembly.Memory(this.memory))).pipe(map(() => wasm))),
         switchMap((wasm) => {
           this.webnodeProgress$.next('Loaded');
           return from(wasm.run(this.webNodeKeyPair.privateKey));
diff --git a/frontend/src/app/features/webnode/webnode.component.ts b/frontend/src/app/features/webnode/webnode.component.ts
index 39b05c6d00..33427c539d 100644
--- a/frontend/src/app/features/webnode/webnode.component.ts
+++ b/frontend/src/app/features/webnode/webnode.component.ts
@@ -45,7 +45,7 @@ export class WebnodeComponent extends StoreDispatcher implements OnInit {
       if (route.queryParams['shared']) {
         shared = route.queryParams['shared'] === 'true';
       }
-      this.webNodeService.memory = new WebAssembly.Memory({ initial, maximum, shared });
+      this.webNodeService.memory = { initial, maximum, shared };
     }, filter(Boolean));
   }