diff --git a/systemvm/patches/debian/config/opt/cloud/bin/cs/CsRule.py b/systemvm/patches/debian/config/opt/cloud/bin/cs/CsRule.py
index 62cfdf172b7..637074b388a 100644
--- a/systemvm/patches/debian/config/opt/cloud/bin/cs/CsRule.py
+++ b/systemvm/patches/debian/config/opt/cloud/bin/cs/CsRule.py
@@ -15,6 +15,8 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
+import CsHelper
+
 class CsRule:
     """ Manage iprules
     Supported Types: