diff --git a/bin/teardown.sh b/bin/teardown.sh
index 995018a..a51f6ce 100755
--- a/bin/teardown.sh
+++ b/bin/teardown.sh
@@ -20,7 +20,7 @@ teardown () {
         $TOP/clusters/$d/default.nix > $tmp
     nixops modify -d $d $tmp
     nixops deploy -d $d
-    [ $reboot = yes] && nixops reboot -d $d
+    [ $reboot = yes ] && nixops reboot -d $d
     nixops ssh-for-each -d $d \
         "rm -rf /var/run/kubernetes /var/lib/kubernetes /var/lib/etcd /var/lib/kubelet /var/lib/cfssl"
     rm $tmp