diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/bootstrap.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/bootstrap.ts
index c613eb655..05a80806c 100644
--- a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/bootstrap.ts
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/bootstrap.ts
@@ -42,8 +42,11 @@ async function bootstrapCommunities(context: Context): Promise<Map<string, Commu
     })
 
     generateKeyPairCommunity(communityDb, context.cache, topicId)
-    // create community root transaction 1 minute before first user
-    const creationDate = new Date(new Date(communityDb.userMinCreatedAt).getTime() - 1000 * 60)
+    let creationDate = communityDb.creationDate
+    if (communityDb.userMinCreatedAt && communityDb.userMinCreatedAt < communityDb.creationDate) {
+      // create community root transaction 1 minute before first user
+      creationDate = new Date(new Date(communityDb.userMinCreatedAt).getTime() - 1000 * 60)
+    }    
     // community from db to community format the dlt connector normally uses
     const community = communityDbToCommunity(topicId, communityDb, creationDate)
     await addCommunityRootTransaction(blockchain, community)
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/valibot.schema.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/valibot.schema.ts
index 38fc3772d..26fc985c7 100644
--- a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/valibot.schema.ts
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/valibot.schema.ts
@@ -46,7 +46,7 @@ export const communityDbSchema = v.object({
   communityUuid: uuidv4Schema,
   name: v.string(),
   creationDate: dateSchema,
-  userMinCreatedAt: dateSchema,
+  userMinCreatedAt: v.nullish(dateSchema),
   uniqueAlias: v.string(),
 })