diff --git a/content/student/studentDBDML.php b/content/student/studentDBDML.php
index becb31e88..5a32563c3 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 +376,14 @@ if(!$error)
 				$errormsg = 'Fehler beim Laden:'.$student->errormsg;
 				$error = true;
 			}
-
+			$datum = new datum();
+			$geb = $_POST['geburtsdatum'];
+			if(!$datum->verifyDate($geb))
+			{
+				$return = false;
+				$errormsg = 'Datum ist nicht korrekt: '.$geb;
+				$error = true;
+			}
 			if(!$error)
 			{
 				$student->uid = $_POST['uid'];
diff --git a/include/datum.class.php b/include/datum.class.php
index 9b7ebcc5e..e7aedd305 100644
--- a/include/datum.class.php
+++ b/include/datum.class.php
@@ -416,5 +416,21 @@ class datum
 		return intval(substr($timestring, 0, 2)) + intval(substr($timestring, 3, 2)) / 60;
 	}
 
+	/**
+	 * Prueft das Datum
+	 * @param $date = string
+	 * @return true wenn ok, sonst false
+	 */
+	static public function verifyDate($date, $strict = true)
+	{
+		$dateTime = DateTime::createFromFormat('Y-m-d', $date);
+		if ($strict) {
+			$errors = DateTime::getLastErrors();
+			if (!empty($errors['warning_count'])) {
+				return false;
+			}
+		}
+		return $dateTime !== false;
+	}
 }
 ?>