diff --git a/hermes-console/src/dummy/topic-form.ts b/hermes-console/src/dummy/topic-form.ts
index 809c865ee7..af21cde489 100644
--- a/hermes-console/src/dummy/topic-form.ts
+++ b/hermes-console/src/dummy/topic-form.ts
@@ -43,8 +43,8 @@ export const dummyTopicFormValidator = {
   ownerSource: [required()],
   owner: [required()],
   contentType: [required()],
-  retentionTimeDurationDays: [required(), min(0), max(7)],
-  retentionTimeDurationHours: [required(), min(0), max(24)],
+  retentionTimeDurationDays: [required(), min(1), max(7)],
+  retentionTimeDurationHours: [required(), min(1), max(24)],
   maxMessageSize: [required(), min(0)],
   offlineRetentionTime: [required(), min(0)],
   ack: [required()],