diff --git a/lab-pipeline.groovy b/lab-pipeline.groovy
index 11ddc84..1158a74 100644
--- a/lab-pipeline.groovy
+++ b/lab-pipeline.groovy
@@ -53,11 +53,25 @@
 salt = new com.mirantis.mk.Salt()
 test = new com.mirantis.mk.Test()
 
+
+
+
 _MAX_PERMITTED_STACKS = 2
 overwriteFile = "/srv/salt/reclass/classes/cluster/overwrite.yml"
 
 timestamps {
     node {
+        // try to get STACK_INSTALL or fallback to INSTALL if exists
+        try {
+          def temporary = STACK_INSTALL
+        } catch (MissingPropertyException e) {
+          try {
+            STACK_INSTALL = INSTALL
+            env['STACK_INSTALL'] = INSTALL
+          } catch (MissingPropertyException e2) {
+            common.errorMsg("Property STACK_INSTALL or INSTALL not found!")
+          }
+        }
         try {
             //
             // Prepare machines