diff --git a/tcp_tests/tests/system/test_install_mcp11_ovs_newton.py b/tcp_tests/tests/system/test_install_mcp11_ovs_newton.py
index b777931..5645443 100644
--- a/tcp_tests/tests/system/test_install_mcp11_ovs_newton.py
+++ b/tcp_tests/tests/system/test_install_mcp11_ovs_newton.py
@@ -35,6 +35,10 @@
             3. Setup compute nodes
 
         """
+        openstack_actions._salt.local(
+            tgt='*', fun='cmd.run',
+            args='service ntp stop; ntpd -gq; service ntp start')
+
         if settings.RUN_TEMPEST:
             openstack_actions.run_tempest(pattern=settings.PATTERN)
             openstack_actions.download_tempest_report()
@@ -52,6 +56,10 @@
             3. Setup compute nodes
 
         """
+        openstack_actions._salt.local(
+            tgt='*', fun='cmd.run',
+            args='service ntp stop; ntpd -gq; service ntp start')
+
         if settings.RUN_TEMPEST:
             openstack_actions.run_tempest(pattern=settings.PATTERN)
             openstack_actions.download_tempest_report()
diff --git a/tcp_tests/tests/system/test_install_mcp11_ovs_ocata.py b/tcp_tests/tests/system/test_install_mcp11_ovs_ocata.py
index 235a523..4e25c72 100644
--- a/tcp_tests/tests/system/test_install_mcp11_ovs_ocata.py
+++ b/tcp_tests/tests/system/test_install_mcp11_ovs_ocata.py
@@ -37,6 +37,10 @@
         4. Run tempest
 
         """
+        openstack_actions._salt.local(
+                tgt='*', fun='cmd.run',
+                args='service ntp stop; ntpd -gq; service ntp start')
+
         if settings.RUN_TEMPEST:
             openstack_actions.run_tempest(pattern=settings.PATTERN)
             openstack_actions.download_tempest_report()
@@ -100,6 +104,10 @@
         3. Setup compute nodes
 
         """
+        openstack_actions._salt.local(
+            tgt='*', fun='cmd.run',
+            args='service ntp stop; ntpd -gq; service ntp start')
+
         if settings.RUN_TEMPEST:
             openstack_actions.run_tempest(pattern=settings.PATTERN)
             openstack_actions.download_tempest_report()