diff --git a/package/busybox/Config.in b/package/busybox/Config.in
index b4f949f3ef..6847a60e83 100644
--- a/package/busybox/Config.in
+++ b/package/busybox/Config.in
@@ -20,6 +20,12 @@ config BR2_PACKAGE_BUSYBOX_CONFIG
 
 	  Most people will just use the default BusyBox configuration file.
 
+config BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES
+	string "Additional BusyBox configuration fragment files"
+	help
+	  A space-separated list of configuration fragment files,
+	  that will be merged to the main BusyBox configuration file.
+
 config BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
 	bool "Show packages that are also provided by busybox"
 	help
diff --git a/package/busybox/busybox.mk b/package/busybox/busybox.mk
index 1ce508a6b5..090e174690 100644
--- a/package/busybox/busybox.mk
+++ b/package/busybox/busybox.mk
@@ -46,6 +46,7 @@ ifndef BUSYBOX_CONFIG_FILE
 endif
 
 BUSYBOX_KCONFIG_FILE = $(BUSYBOX_CONFIG_FILE)
+BUSYBOX_KCONFIG_FRAGMENT_FILES = $(call qstrip,$(BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES))
 BUSYBOX_KCONFIG_EDITORS = menuconfig xconfig gconfig
 BUSYBOX_KCONFIG_OPTS = $(BUSYBOX_MAKE_OPTS)