diff --git a/saas/uuid.go b/saas/uuid.go
index 14246b7a45..6d17888839 100644
--- a/saas/uuid.go
+++ b/saas/uuid.go
@@ -103,6 +103,9 @@ func writeToFile(cnf config.Config, path string) error {
 	if cnf.Default.WordPress != nil && cnf.Default.WordPress.IsZero() {
 		cnf.Default.WordPress = nil
 	}
+	if cnf.Default.PortScan != nil && cnf.Default.PortScan.IsZero() {
+		cnf.Default.PortScan = nil
+	}
 
 	c := struct {
 		Saas    *config.SaasConf             `toml:"saas"`
@@ -198,5 +201,11 @@ func cleanForTOMLEncoding(server config.ServerInfo, def config.ServerInfo) confi
 		}
 	}
 
+	if server.PortScan != nil {
+		if server.PortScan.IsZero() || reflect.DeepEqual(server.PortScan, def.PortScan) {
+			server.PortScan = nil
+		}
+	}
+
 	return server
 }