diff --git a/client-common/network.py b/client-common/network.py
index 6be4d7a5..2a9f6629 100644
--- a/client-common/network.py
+++ b/client-common/network.py
@@ -253,6 +253,10 @@ def add_network(zk_conn, vni, description, nettype,
     if not domain:
         domain = '{}.local'.format(description)
 
+    # Make sure the DHCP4 flag is always boolean 
+    if dhcp4_flag is None:
+        dhcp4_flag = False
+
     # Add the new network to Zookeeper
     zkhandler.writedata(zk_conn, {
         '/networks/{}'.format(vni): description,