diff --git a/src/bin/keactrl/kea-dhcp-ddns.conf.pre b/src/bin/keactrl/kea-dhcp-ddns.conf.pre
index cec180d9ba..d56119f74c 100644
--- a/src/bin/keactrl/kea-dhcp-ddns.conf.pre
+++ b/src/bin/keactrl/kea-dhcp-ddns.conf.pre
@@ -27,7 +27,7 @@
   },
   "tsig-keys": [],
   "forward-ddns" : {},
-  "reverse-ddns" : {},
+  "reverse-ddns" : {}
 },
 
 // Logging configuration starts here. Kea uses different loggers to log various