diff --git a/.github/workflows/test_e2e.yml b/.github/workflows/test_e2e.yml
index 590758248..bdf979bf9 100644
--- a/.github/workflows/test_e2e.yml
+++ b/.github/workflows/test_e2e.yml
@@ -23,6 +23,9 @@ jobs:
           cd ..
           docker compose -f docker-compose.yml -f docker-compose.test.yml up --detach --no-deps backend 
 
+      - name: Boot up test system | docker-compose frontends
+        run: docker compose -f docker-compose.yml -f docker-compose.test.yml up --detach --no-deps frontend admin nginx
+
       - name: Sleep for 10 seconds
         run: sleep 10s
 
@@ -34,9 +37,6 @@ jobs:
           cd ../backend
           yarn && yarn seed
 
-      - name: Boot up test system | docker-compose frontends
-        run: docker compose -f docker-compose.yml -f docker-compose.test.yml up --detach --no-deps frontend admin nginx
-
       - name: Boot up test system | docker-compose mailserver
         run: docker compose -f docker-compose.yml -f docker-compose.test.yml up --detach --no-deps mailserver
 
diff --git a/backend/src/graphql/resolver/UserResolver.test.ts b/backend/src/graphql/resolver/UserResolver.test.ts
index 83ee8f64e..c0a707577 100644
--- a/backend/src/graphql/resolver/UserResolver.test.ts
+++ b/backend/src/graphql/resolver/UserResolver.test.ts
@@ -185,7 +185,7 @@ describe('UserResolver', () => {
               communityUuid: homeCom.communityUuid,
               foreign: false,
               gmsAllowed: true,
-              humhubAllowed: false,
+              humhubAllowed: true,
               gmsPublishName: 0,
               humhubPublishName: 0,
               gmsPublishLocation: 2,
diff --git a/backend/src/graphql/resolver/UserResolver.ts b/backend/src/graphql/resolver/UserResolver.ts
index 2ff0775d0..0302c7860 100644
--- a/backend/src/graphql/resolver/UserResolver.ts
+++ b/backend/src/graphql/resolver/UserResolver.ts
@@ -316,6 +316,8 @@ export class UserResolver {
     dbUser.firstName = firstName
     dbUser.lastName = lastName
     dbUser.language = language
+    // enable humhub from now on for new user
+    dbUser.humhubAllowed = true
     if (alias && (await validateAlias(alias))) {
       dbUser.alias = alias
     }
@@ -386,6 +388,9 @@ export class UserResolver {
       await queryRunner.release()
     }
     logger.info('createUser() successful...')
+    if (CONFIG.HUMHUB_ACTIVE) {
+      void syncHumhub(null, dbUser)
+    }
 
     if (redeemCode) {
       eventRegisterRedeem.affectedUser = dbUser
@@ -744,7 +749,8 @@ export class UserResolver {
     if (!humhubClient) {
       throw new LogError('cannot create humhub client')
     }
-    const username = dbUser.alias ?? dbUser.gradidoID
+    const userNameLogic = new PublishNameLogic(dbUser)
+    const username = userNameLogic.getUsername(dbUser.humhubPublishName as PublishNameType)
     let humhubUser = await humhubClient.userByUsername(username)
     if (!humhubUser) {
       humhubUser = await humhubClient.userByEmail(dbUser.emailContact.email)
diff --git a/backend/src/graphql/resolver/util/syncHumhub.ts b/backend/src/graphql/resolver/util/syncHumhub.ts
index 426f89c92..c229df655 100644
--- a/backend/src/graphql/resolver/util/syncHumhub.ts
+++ b/backend/src/graphql/resolver/util/syncHumhub.ts
@@ -7,11 +7,12 @@ import { UpdateUserInfosArgs } from '@/graphql/arg/UpdateUserInfosArgs'
 import { backendLogger as logger } from '@/server/logger'
 
 export async function syncHumhub(
-  updateUserInfosArg: UpdateUserInfosArgs,
+  updateUserInfosArg: UpdateUserInfosArgs | null,
   user: User,
 ): Promise<void> {
   // check for humhub relevant changes
   if (
+    updateUserInfosArg &&
     updateUserInfosArg.alias === undefined &&
     updateUserInfosArg.firstName === undefined &&
     updateUserInfosArg.lastName === undefined &&
diff --git a/e2e-tests/cypress.config.ts b/e2e-tests/cypress.config.ts
index fd6caa069..3251f379c 100644
--- a/e2e-tests/cypress.config.ts
+++ b/e2e-tests/cypress.config.ts
@@ -35,7 +35,7 @@ export default defineConfig({
     excludeSpecPattern: '*.js',
     baseUrl: 'http://localhost:3000',
     chromeWebSecurity: false,
-    defaultCommandTimeout: 10000,
+    defaultCommandTimeout: 100000,
     supportFile: 'cypress/support/index.ts',
     viewportHeight: 720,
     viewportWidth: 1280,