diff --git a/services/frontend/src/components/Modal/service/form-utils.ts b/services/frontend/src/components/Modal/service/form-utils.ts
index e7aa43b..286b6a5 100644
--- a/services/frontend/src/components/Modal/service/form-utils.ts
+++ b/services/frontend/src/components/Modal/service/form-utils.ts
@@ -129,7 +129,7 @@ export const getInitialValues = (node?: IServiceNodeItem): IEditServiceForm => {
         .substring(0, slashIndex)
         .split(":");
 
-      if (!["tcp", "udp"].includes(protocol)) {
+      if (!["", "tcp", "udp"].includes(protocol)) {
         throw new Error(
           `Invalid protocol "${protocol}" found while deserializing.`
         );