diff --git a/external/config/templates/config-example.conf b/external/config/templates/config-example.conf
index 683d6e9..df8e094 100644
--- a/external/config/templates/config-example.conf
+++ b/external/config/templates/config-example.conf
@@ -11,7 +11,7 @@ DEST_LANG="en_US.UTF-8"				# sl_SI.UTF-8, en_US.UTF-8
 EXTERNAL_NEW="prebuilt"				# compile and install or install prebuilt additional packages
 INSTALL_HEADERS=""				# install kernel headers package
 LIB_TAG="master"				# change to "branchname" to use any branch currently available.
-DOWNLOAD_MIRROR=""				# set to "china" to use mirrors.tuna.tsinghua.edu.cn
+DOWNLOAD_MIRROR="china"				# set to "china" to use mirrors.tuna.tsinghua.edu.cn
 
 BOARD=""
 BRANCH=""