diff --git a/content/student/studentDBDML.php b/content/student/studentDBDML.php
index becb31e88..79e330c7f 100644
--- a/content/student/studentDBDML.php
+++ b/content/student/studentDBDML.php
@@ -365,7 +365,6 @@ if(!$error)
 			$error = true;
 			$errormsg = 'Sie haben keine Schreibrechte fuer diesen Studiengang';
 		}
-
 		//Studentendaten speichern
 		if(!$error)
 		{
@@ -377,7 +376,15 @@ if(!$error)
 				$errormsg = 'Fehler beim Laden:'.$student->errormsg;
 				$error = true;
 			}
+			$datum = new datum();
 
+			$gebdatum = $_POST['geburtsdatum'];
+			if($gebdatum!='' && !$datum->checkDatum($gebdatum))
+			{
+				$return = false;
+				$errormsg = 'Geburtsdatum ist nicht korrekt.';
+				$error = true;
+			}
 			if(!$error)
 			{
 				$student->uid = $_POST['uid'];
diff --git a/include/datum.class.php b/include/datum.class.php
index 9b7ebcc5e..f09066009 100644
--- a/include/datum.class.php
+++ b/include/datum.class.php
@@ -415,6 +415,5 @@ class datum
 	{
 		return intval(substr($timestring, 0, 2)) + intval(substr($timestring, 3, 2)) / 60;
 	}
-
 }
 ?>