diff --git a/src/components/image-editor/useImageCanvasProjectPersistence.test.tsx b/src/components/image-editor/useImageCanvasProjectPersistence.test.tsx
index e29dd303f..e0889361d 100644
--- a/src/components/image-editor/useImageCanvasProjectPersistence.test.tsx
+++ b/src/components/image-editor/useImageCanvasProjectPersistence.test.tsx
@@ -2249,26 +2249,29 @@ describe('useImageCanvasProjectPersistence', () => {
       );
     });
 
-    const cachedRaw = globalThis.sessionStorage.getItem(
-      EDITOR_PROJECT_RECENT_SESSION_CACHE_KEY,
-    );
-    expect(cachedRaw).toBeTruthy();
-    expect(cachedRaw).not.toContain('data:image');
-    const cached = JSON.parse(cachedRaw ?? '{}') as {
-      ownerUserId?: string;
-      project?: EditorProjectSnapshot;
-      revision?: number;
-    };
-    expect(cached.ownerUserId).toBe('user-test');
-    expect(cached.revision).toBe(1);
-    expect(cached.project?.resources).toEqual([
-      expect.objectContaining({
-        resourceId: 'resource-added-asset-a',
-        imageSrc: '/generated-character-drafts/editor/assets/asset-a.png',
-        objectKey: 'generated-character-drafts/editor/assets/asset-a.png',
-        assetObjectId: 'asset-object-a',
-      }),
-    ]);
+    await waitFor(() => {
+      const cachedRaw = globalThis.sessionStorage.getItem(
+        EDITOR_PROJECT_RECENT_SESSION_CACHE_KEY,
+      );
+      expect(cachedRaw).toBeTruthy();
+      expect(cachedRaw).not.toContain('data:image');
+      const cached = JSON.parse(cachedRaw ?? '{}') as {
+        ownerUserId?: string;
+        project?: EditorProjectSnapshot;
+        revision?: number;
+      };
+      expect(cached.ownerUserId).toBe('user-test');
+      expect(cached.revision).toBe(1);
+      expect(cached.project?.resources).toEqual([
+        expect.objectContaining({
+          resourceId: 'resource-added-asset-a',
+          imageSrc: '/generated-character-drafts/editor/assets/asset-a.png',
+          objectKey:
+            'generated-character-drafts/editor/assets/asset-a.png',
+          assetObjectId: 'asset-object-a',
+        }),
+      ]);
+    });
   });
 
   it('restores the persisted canvas background color without autosaving on load', async () => {