diff --git a/internal/fuse/file.go b/internal/fuse/file.go
index 6152c9122..5190febbb 100644
--- a/internal/fuse/file.go
+++ b/internal/fuse/file.go
@@ -96,20 +96,14 @@ func (f *file) Open(_ context.Context, _ *fuse.OpenRequest, _ *fuse.OpenResponse
 }
 
 func (f *openFile) getBlobAt(ctx context.Context, i int) (blob []byte, err error) {
-
-	blob, ok := f.root.blobCache.Get(f.node.Content[i])
-	if ok {
-		return blob, nil
-	}
-
-	blob, err = f.root.repo.LoadBlob(ctx, restic.DataBlob, f.node.Content[i], nil)
+	blob, err = f.root.blobCache.GetOrCompute(f.node.Content[i], func() ([]byte, error) {
+		return f.root.repo.LoadBlob(ctx, restic.DataBlob, f.node.Content[i], nil)
+	})
 	if err != nil {
 		debug.Log("LoadBlob(%v, %v) failed: %v", f.node.Name, f.node.Content[i], err)
 		return nil, unwrapCtxCanceled(err)
 	}
 
-	f.root.blobCache.Add(f.node.Content[i], blob)
-
 	return blob, nil
 }