diff --git a/packages/messenger-widget/src/components/AddConversation/AddConversation.tsx b/packages/messenger-widget/src/components/AddConversation/AddConversation.tsx
index 7d6c5ab47..e606aea0a 100644
--- a/packages/messenger-widget/src/components/AddConversation/AddConversation.tsx
+++ b/packages/messenger-widget/src/components/AddConversation/AddConversation.tsx
@@ -13,6 +13,7 @@ import {
 } from '../../utils/enum-type-utils';
 import { closeLoader, startLoader } from '../Loader/Loader';
 import './AddConversation.css';
+import { normalizeEnsName } from '@dm3-org/dm3-lib-profile';
 
 // class for input field
 export const INPUT_FIELD_CLASS =
@@ -56,7 +57,8 @@ export default function AddConversation() {
                 return;
             }
 
-            const newContact = await addConversation(tldName);
+            const normalizedEnsName = normalizeEnsName(tldName);
+            const newContact = await addConversation(normalizedEnsName);
 
             const addConversationData = {
                 active: true,
diff --git a/packages/messenger-widget/src/hooks/conversation/useConversation.tsx b/packages/messenger-widget/src/hooks/conversation/useConversation.tsx
index 59c6eb2b8..20c96c393 100644
--- a/packages/messenger-widget/src/hooks/conversation/useConversation.tsx
+++ b/packages/messenger-widget/src/hooks/conversation/useConversation.tsx
@@ -16,6 +16,7 @@ import { DM3Configuration } from '../../interfaces/config';
 import { ContactPreview, getEmptyContact } from '../../interfaces/utils';
 import { useMainnetProvider } from '../mainnetprovider/useMainnetProvider';
 import { hydrateContract } from './hydrateContact';
+import { ethers } from 'ethers';
 
 const DEFAULT_CONVERSATION_PAGE_SIZE = 10;
 
@@ -224,13 +225,21 @@ export const useConversation = (config: DM3Configuration) => {
         const contactTldName = normalizeEnsName(_ensName);
         //rrsolves the TLD name. That name becomes the identifier for the conversation
         const aliasName = await resolveTLDtoAlias(contactTldName);
+
+        const defaultProfileLocation = ethers.utils.isAddress(contactTldName)
+            ? normalizeEnsName(
+                  contactTldName + dm3Configuration.addressEnsSubdomain,
+              )
+            : contactTldName;
+
         const newConversation: Conversation = {
             contactEnsName: aliasName,
-            contactProfileLocation: [contactTldName], //(ID)
+            contactProfileLocation: [defaultProfileLocation], //(ID)
             isHidden: false,
             previewMessage: undefined,
             updatedAt: new Date().getTime(),
         };
+
         //Adds the conversation to the conversation state
         const conversationPreview = _addConversation(newConversation);
         //Add the contact to the storage in the background
diff --git a/packages/messenger-widget/src/hooks/messages/sources/handleMessagesFromWebSocket.ts b/packages/messenger-widget/src/hooks/messages/sources/handleMessagesFromWebSocket.ts
index a067f9a31..0341f0fc2 100644
--- a/packages/messenger-widget/src/hooks/messages/sources/handleMessagesFromWebSocket.ts
+++ b/packages/messenger-widget/src/hooks/messages/sources/handleMessagesFromWebSocket.ts
@@ -4,7 +4,7 @@ import {
     Envelop,
     MessageState,
 } from '@dm3-org/dm3-lib-messaging';
-import { ProfileKeys } from '@dm3-org/dm3-lib-profile';
+import { normalizeEnsName, ProfileKeys } from '@dm3-org/dm3-lib-profile';
 import { ContactPreview } from '../../../interfaces/utils';
 import { StoreMessageAsync } from '../../storage/useStorage';
 import { ReceiptDispatcher } from '../receipt/ReceiptDispatcher';
@@ -40,7 +40,7 @@ export const handleMessagesFromWebSocket = async (
 
     //we wait for the contact to be added to resolve TLD to alias
     const contactPreview = await addConversation(
-        decryptedEnvelop.message.metadata.from,
+        normalizeEnsName(decryptedEnvelop.message.metadata.from),
     );
 
     // Resolve TLD to alias
diff --git a/packages/messenger-widget/src/hooks/topLevelAlias/nameService/EthAddress.ts b/packages/messenger-widget/src/hooks/topLevelAlias/nameService/EthAddress.ts
index 97348f30e..bca34c450 100644
--- a/packages/messenger-widget/src/hooks/topLevelAlias/nameService/EthAddress.ts
+++ b/packages/messenger-widget/src/hooks/topLevelAlias/nameService/EthAddress.ts
@@ -14,9 +14,11 @@ export class EthAddressResolver implements ITLDResolver {
         return ensName.endsWith(this.addrEnsSubdomain);
     }
     //The alias format is used to display in the UI
-    //e.g. 0x1234.user.dm3.eth -> 0x1234
+    //Since that is the lowest tier there is no alias for such an tldName left.
+    //e.g. 0x1234.user.dm3.eth -> 0x1234.user.dm3.eth
     async resolveAliasToTLD(ensName: string): Promise<string> {
-        return ensName.split('.')[0];
+        //return ensName.split('.')[0];
+        return ensName;
     }
     //The alias format is used to store the contact in the DB
     //e.g. 0x1234 -> 0x1234.user.dm3.eth
diff --git a/packages/messenger-widget/src/hooks/topLevelAlias/useTopLevelAlias.ts b/packages/messenger-widget/src/hooks/topLevelAlias/useTopLevelAlias.ts
index 46450129f..dc062fa3f 100644
--- a/packages/messenger-widget/src/hooks/topLevelAlias/useTopLevelAlias.ts
+++ b/packages/messenger-widget/src/hooks/topLevelAlias/useTopLevelAlias.ts
@@ -10,6 +10,7 @@ import { OptimismNames } from './nameService/OptimismNames';
 import { DM3Configuration } from '../../interfaces/config';
 import { ITLDResolver } from './nameService/ITLDResolver';
 import { ForeignName } from './nameService/ForeignName';
+import { normalizeEnsName } from '@dm3-org/dm3-lib-profile';
 
 const SUPPORTED_NAMESERVICES = (
     provider: ethers.providers.JsonRpcProvider,
@@ -63,9 +64,11 @@ export const useTopLevelAlias = () => {
                     foreignTldName,
                 )
             ) {
-                const tldName = await nameservice.resolveAliasToTLD(
-                    ensName,
-                    foreignTldName,
+                const tldName = normalizeEnsName(
+                    await nameservice.resolveAliasToTLD(
+                        ensName,
+                        foreignTldName,
+                    ),
                 );
                 setAliasTldCache((prev) => ({ ...prev, [ensName]: tldName }));
                 return tldName;
@@ -83,7 +86,9 @@ export const useTopLevelAlias = () => {
             dm3Configuration,
         )) {
             if (await nameservice.isResolverForTldName(ensName)) {
-                const aliasName = await nameservice.resolveTLDtoAlias(ensName);
+                const aliasName = normalizeEnsName(
+                    await nameservice.resolveTLDtoAlias(ensName),
+                );
                 setTldAliasCache((prev) => ({ ...prev, [ensName]: aliasName }));
                 return aliasName;
             }