diff --git a/tcp_tests/fixtures/runtest_fixtures.py b/tcp_tests/fixtures/runtest_fixtures.py
index 53342ae..225b005 100644
--- a/tcp_tests/fixtures/runtest_fixtures.py
+++ b/tcp_tests/fixtures/runtest_fixtures.py
@@ -24,6 +24,7 @@
     """
     tempest_threads = settings.TEMPEST_THREADS
     tempest_pattern = settings.TEMPEST_PATTERN
+    tempest_extra_args = settings.TEMPEST_EXTRA_ARGS
     cluster_name = settings.LAB_CONFIG_NAME
     domain_name = settings.DOMAIN_NAME
     runtest = RuntestManager(
@@ -31,6 +32,7 @@
         underlay_actions, salt_actions,
         cluster_name=cluster_name,
         domain_name=domain_name,
+        tempest_extra_args=tempest_extra_args,
         tempest_threads=tempest_threads,
         tempest_pattern=tempest_pattern)
     return runtest
diff --git a/tcp_tests/managers/runtestmanager.py b/tcp_tests/managers/runtestmanager.py
index 66095dc..bc71427 100644
--- a/tcp_tests/managers/runtestmanager.py
+++ b/tcp_tests/managers/runtestmanager.py
@@ -39,6 +39,7 @@
     def __init__(self, config, underlay, salt_api, cluster_name,
                  domain_name, tempest_threads,
                  tempest_pattern=settings.TEMPEST_PATTERN,
+                 tempest_extra_args=settings.TEMPEST_EXTRA_ARGS,
                  run_cmd=None):
         self.__config = config
         self.underlay = underlay
@@ -47,6 +48,7 @@
         self.domain_name = domain_name
         self.tempest_threads = tempest_threads
         self.tempest_pattern = tempest_pattern
+        self.tempest_extra_args = tempest_extra_args
         self.run_cmd = run_cmd or self.run_cmd
         self.master_name = self.underlay.get_target_node_names(
             self.master_host)[0]
@@ -166,21 +168,23 @@
         image_nameversion = "{}:{}".format(self.image_name, self.image_version)
 
         docker_args = (
-            " -t "
-            " --net host "
-            " --name {container_name} "
-            " -e ARGS=\"-r {tempest_pattern} -w {tempest_threads}\""
+            " -t"
+            " --net host"
+            " --name {container_name}"
+            " -e ARGS=\"-r {tempest_pattern}"
+            " -w {tempest_threads} {tempest_extra_args}\""
             " -v {cfg_dir}/tempest.conf:/etc/tempest/tempest.conf"
             " -v /tmp/:/tmp/"
             " -v {cfg_dir}:/root/tempest"
             " -v /etc/ssl/certs/:/etc/ssl/certs/"
-            " -d "
+            " -d"
             " {image_nameversion} {run_cmd}"
             .format(
                 container_name=self.container_name,
                 image_nameversion=image_nameversion,
                 tempest_pattern=self.tempest_pattern,
                 tempest_threads=self.tempest_threads,
+                tempest_extra_args=self.tempest_extra_args,
                 cfg_dir=TEMPEST_CFG_DIR,
                 run_cmd=self.run_cmd,
             ))
diff --git a/tcp_tests/settings.py b/tcp_tests/settings.py
index 347e8e6..6a4a885 100644
--- a/tcp_tests/settings.py
+++ b/tcp_tests/settings.py
@@ -82,6 +82,7 @@
 TEMPEST_PATTERN = os.environ.get('TEMPEST_PATTERN', 'tempest')
 TEMPEST_TIMEOUT = int(os.environ.get('TEMPEST_TIMEOUT', 60 * 60 * 6))
 TEMPEST_THREADS = int(os.environ.get('TEMPEST_THREADS', 2))
+TEMPEST_EXTRA_ARGS = os.environ.get('TEMPEST_EXTRA_ARGS', '')
 TEMPEST_TARGET = os.environ.get('TEMPEST_TARGET', 'gtw01')
 SALT_VERSION = os.environ.get('SALT_VERSION', '2017.7')