bash mistake
diff --git a/sensu/files/checks/check_vrouter.sh b/sensu/files/checks/check_vrouter.sh
index 483a389..9cb430f 100644
--- a/sensu/files/checks/check_vrouter.sh
+++ b/sensu/files/checks/check_vrouter.sh
@@ -15,7 +15,7 @@
         check_ok=1
 fi
 
-if [ check_ok=1 ]; then
+if [ $check_ok = 1 ]; then
 
         read -ra contrail_test <<< ${contrail_status[@]#STARTING}