diff --git a/mk-lab-pipeline.groovy b/mk-lab-pipeline.groovy
index 8bdcd94..28d72b3 100644
--- a/mk-lab-pipeline.groovy
+++ b/mk-lab-pipeline.groovy
@@ -68,10 +68,10 @@
 
     if (HEAT_STACK_REUSE == 'false') {
         stage('Launch new Heat stack') {
-            envParams = []
-            //    'availability_zone': HEAT_STACK_ZONE,
-            //    'public_net': HEAT_STACK_PUBLIC_NET
-            //]
+            envParams = [
+                'availability_zone': HEAT_STACK_ZONE,
+                'public_net': HEAT_STACK_PUBLIC_NET
+            ]
             openstack.createHeatStack(openstackCloud, HEAT_STACK_NAME, HEAT_STACK_TEMPLATE, envParams, HEAT_STACK_ENVIRONMENT, openstackEnv)
         }
     }