diff --git a/internal/erofsutils/mount.go b/internal/erofsutils/mount.go
index d99e979e2..35c469904 100644
--- a/internal/erofsutils/mount.go
+++ b/internal/erofsutils/mount.go
@@ -54,7 +54,7 @@ func ConvertTarErofs(ctx context.Context, r io.Reader, layerPath, uuid string, m
 // The `--tar=i` option instructs mkfs.erofs to only generate the tar index
 // for the tar content. The resulting file structure is:
 // [Tar index][Original tar content]
-func GenerateTarIndexAndAppendTar(ctx context.Context, r io.Reader, layerPath string, mkfsExtraOpts []string) error {
+func GenerateTarIndexAndAppendTar(ctx context.Context, r io.Reader, layerPath, uuid string, mkfsExtraOpts []string) error {
 	// Create a temporary file for storing the tar content
 	tarFile, err := os.CreateTemp("", "erofs-tar-*")
 	if err != nil {
@@ -68,6 +68,9 @@ func GenerateTarIndexAndAppendTar(ctx context.Context, r io.Reader, layerPath st
 
 	// Generate tar index directly to layerPath using --tar=i option
 	args := append([]string{"--tar=i", "--aufs", "--quiet"}, mkfsExtraOpts...)
+	if uuid != "" {
+		args = append(args, []string{"-U", uuid}...)
+	}
 	args = append(args, layerPath)
 	cmd := exec.CommandContext(ctx, "mkfs.erofs", args...)
 	cmd.Stdin = teeReader
diff --git a/plugins/diff/erofs/differ.go b/plugins/diff/erofs/differ.go
index b4bccbee5..6ad99b555 100644
--- a/plugins/diff/erofs/differ.go
+++ b/plugins/diff/erofs/differ.go
@@ -174,16 +174,17 @@ func (s erofsDiff) Apply(ctx context.Context, desc ocispec.Descriptor, mounts []
 	}
 
 	// Choose between tar index or tar conversion mode
+	// Generate deterministic UUID from layer digest
+	u := uuid.NewSHA1(uuid.NameSpaceURL, []byte("erofs:blobs/"+desc.Digest))
 	if s.enableTarIndex {
 		// Use the tar index method: generate tar index and append tar
-		err = erofsutils.GenerateTarIndexAndAppendTar(ctx, rc, layerBlobPath, s.mkfsExtraOpts)
+		err = erofsutils.GenerateTarIndexAndAppendTar(ctx, rc, layerBlobPath, u.String(), s.mkfsExtraOpts)
 		if err != nil {
 			return emptyDesc, fmt.Errorf("failed to generate tar index: %w", err)
 		}
 		log.G(ctx).WithField("path", layerBlobPath).Debug("Applied layer using tar index mode")
 	} else {
 		// Use the tar method: fully convert tar to EROFS
-		u := uuid.NewSHA1(uuid.NameSpaceURL, []byte("erofs:blobs/"+desc.Digest))
 		err = erofsutils.ConvertTarErofs(ctx, rc, layerBlobPath, u.String(), s.mkfsExtraOpts)
 		if err != nil {
 			return emptyDesc, fmt.Errorf("failed to convert tar to erofs: %w", err)