diff --git a/jobs/pipelines/swarm-run-pytest.groovy b/jobs/pipelines/swarm-run-pytest.groovy
index bc411f7..780229d 100644
--- a/jobs/pipelines/swarm-run-pytest.groovy
+++ b/jobs/pipelines/swarm-run-pytest.groovy
@@ -16,6 +16,7 @@
  *   REPOSITORY_SUITE              Not used (backward compatibility, for manual deployment steps only)
  *   MCP_IMAGE_PATH1604            Not used (backward compatibility, for manual deployment steps only)
  *   IMAGE_PATH_CFG01_DAY01        Not used (backward compatibility, for manual deployment steps only)
+ *   TEMPEST_IMAGE_VERSION         Tempest image version: pike by default, can be queens.
  */
 
 @Library('tcp-qa')_
@@ -54,6 +55,7 @@
                 }
                 if (steps.contains('openstack')) {
                     sources += """
+                    export TEMPEST_IMAGE_VERSION=${TEMPEST_IMAGE_VERSION}
                     # TODO: . ./tcp_tests/utils/env_keystonercv3\n"""
                 }
                 def installed = steps.collect {"""\