diff --git a/archive_build.sh b/archive_build.sh
index 74d577ea84..fdce71f8ce 100755
--- a/archive_build.sh
+++ b/archive_build.sh
@@ -275,7 +275,7 @@ then
   prebuilt_cmd="$prebuilt_cmd -u gs://chromeos-prebuilt --git-sync -V master"
   prebuilt_cmd="$prebuilt_cmd -p ${GCLIENT_ROOT} -b ${FLAGS_board}"
 
-  if [ "${FLAGS_BOARD}" == "x86-generic" ]
+  if [ "${FLAGS_board}" == "x86-generic" ]
   then
     prebuilt_cmd="$prebuilt_cmd --sync-host"
   fi