diff --git a/node/src/main/kotlin/net/corda/node/internal/NodeStartup.kt b/node/src/main/kotlin/net/corda/node/internal/NodeStartup.kt
index 92445c12d7..e1ec13a64a 100644
--- a/node/src/main/kotlin/net/corda/node/internal/NodeStartup.kt
+++ b/node/src/main/kotlin/net/corda/node/internal/NodeStartup.kt
@@ -184,7 +184,7 @@ open class NodeStartup(val args: Array<String>) {
     }
 
     private fun shouldRegisterWithNetwork(cmdlineOptions: CmdLineOptions, conf: NodeConfiguration): Boolean {
-        val compatibilityZoneURL = conf.compatibilityZoneURL
+        val compatibilityZoneURL = conf.networkServices?.doormanURL
         return !(!cmdlineOptions.isRegistration || compatibilityZoneURL == null)
     }