diff --git a/db/jambones-sql.sql b/db/jambones-sql.sql
index 26d09a6..19776da 100644
--- a/db/jambones-sql.sql
+++ b/db/jambones-sql.sql
@@ -359,7 +359,7 @@ CREATE TABLE system_information
 domain_name VARCHAR(255),
 sip_domain_name VARCHAR(255),
 monitoring_domain_name VARCHAR(255),
-private_network_cidr VARCHAR(255)
+private_network_cidr VARCHAR(8192)
 );
 
 CREATE TABLE users
diff --git a/db/jambones.sqs b/db/jambones.sqs
index bc71310..4c8cf59 100644
--- a/db/jambones.sqs
+++ b/db/jambones.sqs
@@ -2828,7 +2828,7 @@
         </SQLField>
         <SQLField>
             <name><![CDATA[private_network_cidr]]></name>
-            <type><![CDATA[VARCHAR(255)]]></type>
+            <type><![CDATA[VARCHAR(8192)]]></type>
             <uid><![CDATA[45A2CE92-0BA7-4156-AE05-750D63F386F3]]></uid>
         </SQLField>
         <labelWindowIndex><![CDATA[3]]></labelWindowIndex>
diff --git a/db/upgrade-jambonz-db.js b/db/upgrade-jambonz-db.js
index 6178f1a..5aa97ea 100644
--- a/db/upgrade-jambonz-db.js
+++ b/db/upgrade-jambonz-db.js
@@ -199,7 +199,7 @@ const sql = {
     'ALTER TABLE sip_gateways ADD COLUMN use_sips_scheme BOOLEAN NOT NULL DEFAULT 0',
   ],
   9002: [
-    'ALTER TABLE system_information ADD COLUMN private_network_cidr VARCHAR(255)',
+    'ALTER TABLE system_information ADD COLUMN private_network_cidr VARCHAR(8192)',
   ]
 };