diff --git a/lab-pipeline.groovy b/lab-pipeline.groovy
index b00c018..c488210 100644
--- a/lab-pipeline.groovy
+++ b/lab-pipeline.groovy
@@ -94,9 +94,11 @@
                     // Verify possibility of create stack for given user and stack type
                     //
                     wrap([$class: 'BuildUser']) {
-                        def existingStacks = openstack.getStacksForNameContains(openstackCloud, "${env.BUILD_USER_ID}-${JOB_NAME}", openstackEnv)
-                        if(existingStacks.size() > _MAX_PERMITTED_STACKS){
-                            throw new Exception("You cannot create new stack, you already have ${_MAX_PERMITTED_STACKS} stacks of this type (${JOB_NAME}). \nStack names: ${existingStacks}")
+                        if (env.BUILD_USER_ID && !env.BUILD_USER_ID.equals("jenkins")) {
+                            def existingStacks = openstack.getStacksForNameContains(openstackCloud, "${env.BUILD_USER_ID}-${JOB_NAME}", openstackEnv)
+                            if(existingStacks.size() >= _MAX_PERMITTED_STACKS){
+                                throw new Exception("You cannot create new stack, you already have ${_MAX_PERMITTED_STACKS} stacks of this type (${JOB_NAME}). \nStack names: ${existingStacks}")
+                            }
                         }
                     }
                     // launch stack