diff --git a/backend/src/config/index.ts b/backend/src/config/index.ts
index 1559e7571..5e73eb76f 100644
--- a/backend/src/config/index.ts
+++ b/backend/src/config/index.ts
@@ -10,7 +10,7 @@ Decimal.set({
 })
 
 const constants = {
-  DB_VERSION: '0058-add_communities_table',
+  DB_VERSION: '0059-add_verified_at_to communities',
   DECAY_START_TIME: new Date('2021-05-13 17:46:31-0000'), // GMT+0
   LOG4JS_CONFIG: 'log4js-config.json',
   // default log level on production should be info
diff --git a/backend/src/federation/client/1_0/FederationClient.ts b/backend/src/federation/client/1_0/FederationClient.ts
index 12b5fdac0..d1c1c00af 100644
--- a/backend/src/federation/client/1_0/FederationClient.ts
+++ b/backend/src/federation/client/1_0/FederationClient.ts
@@ -43,8 +43,8 @@ export async function requestGetPublicKey(fdCom: FdCommunity): Promise<string |
       return data.getPublicKey.publicKey
     }
     logger.warn(`requestGetPublicKey processed without response data`)
-    return undefined
   } catch (err) {
     logger.error(`Request-Error: ${JSON.stringify(err)}`)
   }
+  return undefined
 }
diff --git a/backend/src/federation/validateCommunities.ts b/backend/src/federation/validateCommunities.ts
index 8a9429973..0924583f0 100644
--- a/backend/src/federation/validateCommunities.ts
+++ b/backend/src/federation/validateCommunities.ts
@@ -6,10 +6,7 @@ import { FdCommunity } from './graphql/1_0/model/FdCommunity'
 export async function startValidateCommunities(timerInterval: number): Promise<void> {
   while (true) {
     const dbCommunities: DbCommunity[] = await DbCommunity.find({
-      where: [
-        { verifiedAt: IsNull() },
-        { verifiedAt: LessThan(Raw((lastAnnouncedAt) => `${lastAnnouncedAt}`)) },
-      ],
+      where: [{ verifiedAt: IsNull() }, { verifiedAt: LessThan(`last_announced_at:`) }],
     })
     if (dbCommunities) {
       dbCommunities.forEach(async function (dbCom) {