diff --git a/target/linux/mvebu/image/Makefile b/target/linux/mvebu/image/Makefile
index d73f3e20fc..024e77969a 100644
--- a/target/linux/mvebu/image/Makefile
+++ b/target/linux/mvebu/image/Makefile
@@ -70,9 +70,15 @@ define Build/uDPU-firmware
 	(rm -fR $@-fw; mkdir -p $@-fw)
 	$(CP) $(BIN_DIR)/$(IMAGE_PREFIX)-initramfs.itb $@-fw/recovery.itb
 	$(CP) $@-boot.scr $@-fw/boot.scr
-	(cd $(TARGET_DIR); $(TAR) -cvzf $@-fw/rootfs.tgz .)
-	(cd $@.boot; $(TAR) -cvzf $@-fw/boot.tgz .)
-	(cd $@-fw; $(TAR) -cvzf $(KDIR_TMP)/$(IMAGE_PREFIX)-firmware.tgz .)
+	$(TAR) -cvzp --numeric-owner --owner=0 --group=0 --sort=name \
+		$(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
+		-f $@-fw/rootfs.tgz -C $(TARGET_DIR) .
+	$(TAR) -cvzp --numeric-owner --owner=0 --group=0 --sort=name \
+		$(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
+		-f $@-fw/boot.tgz -C $@.boot .
+	$(TAR) -cvzp --numeric-owner --owner=0 --group=0 --sort=name \
+		$(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
+		-f $(KDIR_TMP)/$(IMAGE_PREFIX)-firmware.tgz -C $@-fw .
 endef
 
 define Device/Default