diff --git a/systemvm/patches/debian/config/opt/cloud/bin/cs_ip.py b/systemvm/patches/debian/config/opt/cloud/bin/cs_ip.py
index c34fc01d9e3..1ce78f9fd87 100755
--- a/systemvm/patches/debian/config/opt/cloud/bin/cs_ip.py
+++ b/systemvm/patches/debian/config/opt/cloud/bin/cs_ip.py
@@ -41,6 +41,8 @@ def merge(dbag, ip):
     ip['network'] = str(ipo.network) + '/' + str(ipo.prefixlen)
     if 'nw_type' not in ip.keys():
         ip['nw_type'] = 'public'
+    else:
+        ip['nw_type'] = ip['nw_type'].lower()
     if ip['nw_type'] == 'control':
         dbag['eth' + str(nic_dev_id)] = [ip]
     else: