diff --git a/src/bin/keactrl/kea-netconf.conf.pre b/src/bin/keactrl/kea-netconf.conf.pre
index f68e24fddd..fe798cff84 100644
--- a/src/bin/keactrl/kea-netconf.conf.pre
+++ b/src/bin/keactrl/kea-netconf.conf.pre
@@ -39,7 +39,7 @@
                 "socket-name": "/tmp/kea-dhcp6-ctrl.sock"
             }
         }
-    }
+    },
 
     // Specify hooks libraries that are attached to the Netconf agent.
     // Note currently there is no defined hook points to attach to.