diff --git a/Config.in b/Config.in
index 901d7400646d209104c496addaa07ddd1b9f9644..4e874a69de90a6a7c8b6b5ff01baead5fb2afa6d 100644
--- a/Config.in
+++ b/Config.in
@@ -145,7 +145,7 @@ menu "Global build settings"
 		bool "Compile with full language support"
 		help
 		  When this option is enabled, packages are built with the full versions of iconv and GNU gettext
-		  instead of the default OpenWrt stubs.
+		  instead of the default OpenWrt stubs. If uClibc is used, it is also built with locale support.
 
 	config SHADOW_PASSWORDS
 		bool
diff --git a/toolchain/uClibc/Makefile b/toolchain/uClibc/Makefile
index 5f4ddb5d9f2f600a8f6500b550b5a9574e73b4ed..8c658448b331669cfa68c38d0dc88f198e4bd502 100644
--- a/toolchain/uClibc/Makefile
+++ b/toolchain/uClibc/Makefile
@@ -78,6 +78,7 @@ define Host/Prepare
 		-e 's,^.*UCLIBC_HAS_FPU.*,UCLIBC_HAS_FPU=$(if $(CONFIG_SOFT_FLOAT),n,y),g' \
 		-e 's,^.*UCLIBC_HAS_SOFT_FLOAT.*,UCLIBC_HAS_SOFT_FLOAT=$(if $(CONFIG_SOFT_FLOAT),y,n),g' \
 		-e 's,^.*UCLIBC_HAS_SHADOW.*,UCLIBC_HAS_SHADOW=$(if $(CONFIG_SHADOW_PASSWORDS),y,n),g' \
+		-e 's,^.*UCLIBC_HAS_LOCALE.*,UCLIBC_HAS_LOCALE=$(if $(CONFIG_BUILD_NLS),y,n),g' \
 		$(HOST_BUILD_DIR)/.config
 	$(MAKE) -C $(HOST_BUILD_DIR) oldconfig KBUILD_HAVE_NLS= HOSTCFLAGS="-DKBUILD_NO_NLS"
 	$(MAKE) -C $(HOST_BUILD_DIR)/extra/config conf KBUILD_HAVE_NLS= HOSTCFLAGS="-DKBUILD_NO_NLS"