diff --git a/toolchain/uClibc/uclibc.mk b/toolchain/uClibc/uclibc.mk
index 0bb5f5b038..887164378f 100644
--- a/toolchain/uClibc/uclibc.mk
+++ b/toolchain/uClibc/uclibc.mk
@@ -445,6 +445,9 @@ uclibc-config: host-sed $(UCLIBC_DIR)/.config
 
 uclibc-oldconfig: host-sed $(UCLIBC_DIR)/.oldconfig
 
+uclibc-update:
+	cp -f $(UCLIBC_DIR)/.config $(UCLIBC_CONFIG_FILE)
+
 uclibc-configured: kernel-headers $(UCLIBC_DIR)/.configured
 
 uclibc-configured-source: uclibc-source