diff --git a/scripts/bootstrap-to-docker.sh b/scripts/bootstrap-to-docker.sh
index 653ba7b..95131d7 100755
--- a/scripts/bootstrap-to-docker.sh
+++ b/scripts/bootstrap-to-docker.sh
@@ -17,7 +17,7 @@ docker_user=${docker_user:-${USER}}
 if test -z "$archs"; then
     case "$(dpkg --print-architecture)" in
         (amd64) archs="i386 amd64";;
-        (*) archs=$(dpkg --print-architecture)
+        (*) archs=$(dpkg --print-architecture);;
     esac
 fi
 ubuntu_qt5="yakkety xenial wily vivid trusty"