diff --git a/build.sh b/build.sh
index 34cf9c0..7f35757 100755
--- a/build.sh
+++ b/build.sh
@@ -3,7 +3,7 @@
 # use LANG environment variable, default to "en"
 LANG="${LANG:-en}"
 
-make -j T=open_source LANG=${LANG} DEBUG=1 >log.txt 2>&1
+make -j T=open_source DEBUG=1 >log.txt 2>&1
 
 if [ $? -eq 0 ]; then
 	echo "build success"