diff --git a/application/controllers/system/infocenter/InfoCenter.php b/application/controllers/system/infocenter/InfoCenter.php
index f8e46a8bf..57aca0876 100644
--- a/application/controllers/system/infocenter/InfoCenter.php
+++ b/application/controllers/system/infocenter/InfoCenter.php
@@ -2375,10 +2375,6 @@ class InfoCenter extends Auth_Controller
 		if ($statusgrund === 'null' || $studiengang === 'null' || $abgeschickt === 'null' || empty($personen))
 			$this->terminateWithJsonError("Bitte füllen Sie alle Felder aus");
 
-		if ($studiengang === 'all' && $abgeschickt !== 'all' ||
-			$abgeschickt === 'all' && $studiengang !== 'all')
-			$this->terminateWithJsonError("Absage für alle Studiengänge ist nur in Kombination mit abgeschickt 'Beide' möglich!");
-
 		if ($studiengang === 'all' && $abgeschickt === 'all')
 		{
 			foreach($personen as $person)
@@ -2398,16 +2394,31 @@ class InfoCenter extends Auth_Controller
 		}
 		else
 		{
-			foreach($personen as $person)
+			$this->load->model('organisation/Studienplan_model', 'StudienplanModel');
+
+			$this->StudienplanModel->addSelect('1');
+			$this->StudienplanModel->addJoin('lehre.tbl_studienordnung so', 'studienordnung_id');
+			$escaped = $this->StudienplanModel->db->escape(strtoupper($studiengang));
+			$this->StudienplanModel->db->where("UPPER(so.studiengangkurzbzlang || ':' || tbl_studienplan.orgform_kurzbz) = $escaped");
+			$this->StudienplanModel->addLimit(1);
+			$studiengangResult = $this->StudienplanModel->load();
+
+			if (hasData($studiengangResult))
 			{
-				$prestudent = $this->PrestudentModel->getPrestudentByStudiengangAndPerson($studiengang, $person, $studienSemester, $abgeschickt);
+				foreach($personen as $person)
+				{
+					$prestudent = $this->PrestudentModel->getPrestudentByStudiengangAndPerson($studiengang, $person, $studienSemester, $abgeschickt, $abgeschickt === 'all');
 
-				if (!hasData($prestudent))
-					continue;
+					if (!hasData($prestudent))
+						continue;
 
-				$prestudentData = getData($prestudent);
-				$this->saveAbsage($prestudentData[0]->prestudent_id, $statusgrund);
+					$prestudentData = getData($prestudent);
+					$this->saveAbsage($prestudentData[0]->prestudent_id, $statusgrund);
+				}
 			}
+			else
+				$this->terminateWithJsonError("Falschen Studiengang übergeben!");
+
 		}
 
 		$this->outputJsonSuccess("Success");
diff --git a/application/models/crm/Prestudent_model.php b/application/models/crm/Prestudent_model.php
index 188158b4e..ff56c3268 100644
--- a/application/models/crm/Prestudent_model.php
+++ b/application/models/crm/Prestudent_model.php
@@ -677,7 +677,7 @@ class Prestudent_model extends DB_Model
 		));
 	}
 
-	public function getPrestudentByStudiengangAndPerson($studiengang, $person, $studienSemester, $abgeschickt)
+	public function getPrestudentByStudiengangAndPerson($studiengang, $person, $studienSemester, $abgeschickt, $ignoreAbgeschickt = false)
 	{
 		$query = "SELECT ps.prestudent_id
 					FROM public.tbl_prestudentstatus pss
@@ -687,18 +687,22 @@ class Prestudent_model extends DB_Model
 					JOIN lehre.tbl_studienordnung so USING(studienordnung_id)
 					WHERE ps.person_id = ?
 					AND UPPER(so.studiengangkurzbzlang || ':' || sp.orgform_kurzbz) = ?
-					AND pss.studiensemester_kurzbz = ?
-					AND";
+					AND pss.studiensemester_kurzbz = ?";
 
-		if ($abgeschickt === 'true')
-			$query .= " EXISTS";
-		else
-			$query .= " NOT EXISTS";
+		if (!$ignoreAbgeschickt)
+		{
+			$query .= "AND";
 
-		$query .= " (SELECT 1 FROM public.tbl_prestudentstatus spss
+			if ($abgeschickt === 'true')
+				$query .= " EXISTS";
+			else
+				$query .= " NOT EXISTS";
+
+			$query .= " (SELECT 1 FROM public.tbl_prestudentstatus spss
 					JOIN public.tbl_prestudent sps USING(prestudent_id)
 					WHERE sps.prestudent_id = ps.prestudent_id
 					AND spss.bewerbung_abgeschicktamum IS NOT NULL)";
+		}
 
 		return $this->execQuery($query, array($person, $studiengang, $studienSemester));
 	}