diff --git a/scripts/host.sh b/scripts/host.sh
index bfe2de1b..2b23d401 100755
--- a/scripts/host.sh
+++ b/scripts/host.sh
@@ -77,6 +77,7 @@ fi
 if [ "$PULL" = 1 ] ; then
     echo "Pulling..."
     git pull
+    git submodule update --init --recursive
     (cd tmp/ws-http-tunnel && git pull)
 fi