diff --git a/application/controllers/api/frontend/v1/detailheader/Detailheader.php b/application/controllers/api/frontend/v1/detailheader/Detailheader.php
index e35885efa..719afb2c6 100644
--- a/application/controllers/api/frontend/v1/detailheader/Detailheader.php
+++ b/application/controllers/api/frontend/v1/detailheader/Detailheader.php
@@ -9,10 +9,10 @@ class Detailheader extends FHCAPI_Controller
 	public function __construct()
 	{
 		parent::__construct([
-			'getHeader' => ['vertrag/mitarbeiter:r'],
-			'getPersonAbteilung' => ['vertrag/mitarbeiter:r'],
-			'getLeitungOrg' => ['vertrag/mitarbeiter:r'],
-			'getSemesterStati' => ['admin:r', 'assistenz:r']
+			'getHeader' => self::PERM_LOGGED,
+			'getPersonAbteilung' => self::PERM_LOGGED,
+			'getLeitungOrg' => self::PERM_LOGGED,
+			'getSemesterStati' => self::PERM_LOGGED,
 		]);
 	}
 
diff --git a/public/js/components/DetailHeader/DetailHeader.js b/public/js/components/DetailHeader/DetailHeader.js
index fe51f4500..d3c23185e 100644
--- a/public/js/components/DetailHeader/DetailHeader.js
+++ b/public/js/components/DetailHeader/DetailHeader.js
@@ -293,9 +293,9 @@ export default {
 						 {{headerData[0].stg_bezeichnung}} ({{headerData[0].studiengang}})
 						<strong v-if="headerData[0].semester != null" class="text-muted"> | {{$p.t('lehre', 'semester')}} </strong>
 						  {{headerData[0].semester}}
-						<strong v-if="headerData[0].verband" class="text-muted"> | {{$p.t('lehre', 'verband')}}</strong>
+						<strong v-if="headerData[0].gruppe !== null && headerData[0].verband != ' '" class="text-muted"> | {{$p.t('lehre', 'verband')}}</strong>
 						{{headerData[0].verband}}
-						<strong v-if="headerData[0].gruppe !== ' ' && headerData[0].gruppe != null" class="text-muted"> | {{$p.t('lehre', 'gruppe')}} </strong>
+						<strong v-if="headerData[0].gruppe !== null && headerData[0].gruppe != ' '" class="text-muted"> | {{$p.t('lehre', 'gruppe')}} </strong>
 						{{headerData[0].gruppe}}
 					</h5>