diff --git a/package/pkg-kconfig.mk b/package/pkg-kconfig.mk
index 071153a0bf..ec58d69f55 100644
--- a/package/pkg-kconfig.mk
+++ b/package/pkg-kconfig.mk
@@ -66,7 +66,7 @@ $$(addprefix $(1)-,$$($(2)_KCONFIG_EDITORS)): $$($(2)_DIR)/.stamp_kconfig_fixup_
 
 # Target to copy back the configuration to the source configuration file
 $(1)-update-config: $$($(2)_DIR)/.stamp_kconfig_fixup_done
-	cp -f $$($(2)_DIR)/.config $$($(2)_KCONFIG_FILE)
+	cp --preserve=timestamps -f $$($(2)_DIR)/.config $$($(2)_KCONFIG_FILE)
 
 endef # inner-kconfig-package