diff --git a/src/Service/BpnXmlAnonymizer.php b/src/Service/BpnXmlAnonymizer.php
index 2e8ee44..c6f9827 100644
--- a/src/Service/BpnXmlAnonymizer.php
+++ b/src/Service/BpnXmlAnonymizer.php
@@ -202,8 +202,6 @@ class BpnXmlAnonymizer
         $title = '';
         $gender = 'D';
         $nationality = 'XX';
-        $birthDate = '01.01.1980';
-
         $street = sprintf('%s %s', $this->faker->streetName(), $this->faker->buildingNumber());
         $postalCode = $this->faker->postcode();
         $city = $this->faker->city();
@@ -232,7 +230,6 @@ class BpnXmlAnonymizer
             'title' => $title,
             'gender' => $gender,
             'nationality' => $nationality,
-            'birthDate' => $birthDate,
             'street' => $street,
             'postalCode' => $postalCode,
             'city' => $city,
@@ -389,11 +386,6 @@ class BpnXmlAnonymizer
             $this->replaceNodeValue($nationalityNode, $identity['nationality']);
         }
 
-        $birthDateNode = $this->getDirectChild($personNode, 'geburtsdatum');
-        if (null !== $birthDateNode) {
-            $this->replaceNodeValue($birthDateNode, $identity['birthDate']);
-        }
-
         $heightNode = $this->getDirectChild($personNode, 'sonstiges1');
         if (null !== $heightNode) {
             $this->replaceNodeValue($heightNode, $identity['height']);
diff --git a/tests/Service/BpnXmlAnonymizerTest.php b/tests/Service/BpnXmlAnonymizerTest.php
index 0c93f9f..44f34a4 100644
--- a/tests/Service/BpnXmlAnonymizerTest.php
+++ b/tests/Service/BpnXmlAnonymizerTest.php
@@ -17,6 +17,7 @@ class BpnXmlAnonymizerTest extends TestCase
     <anmelder>
         <name>Example</name>
         <vorname>Ava</vorname>
+        <geburtsdatum>03.04.1991</geburtsdatum>
         <anschrift>
             <strasse>Testallee 7</strasse>
             <plz>10115</plz>
@@ -32,6 +33,7 @@ class BpnXmlAnonymizerTest extends TestCase
         <teilnehmer id="1">
             <name>Example</name>
             <vorname>Ava</vorname>
+            <geburtsdatum>03.04.1991</geburtsdatum>
             <anschrift>
                 <strasse>Testallee 7</strasse>
                 <plz>10115</plz>
@@ -46,6 +48,7 @@ class BpnXmlAnonymizerTest extends TestCase
         <teilnehmer id="2">
             <name>Second</name>
             <vorname>Ben</vorname>
+            <geburtsdatum>12.11.1987</geburtsdatum>
             <kommunikation>
                 <email>ben.second@example.test</email>
             </kommunikation>
@@ -69,6 +72,9 @@ XML;
         $applicantMobilePhone = trim((string) $xpath->evaluate('string(//anmelder/kommunikation/telefonmobil)'));
         $participantOneMobilePhone = trim((string) $xpath->evaluate('string(//teilnehmer[1]/kommunikation/telefonmobil)'));
         $participantTwoName = trim((string) $xpath->evaluate('string(//teilnehmer[2]/name)'));
+        $applicantBirthDate = trim((string) $xpath->evaluate('string(//anmelder/geburtsdatum)'));
+        $participantOneBirthDate = trim((string) $xpath->evaluate('string(//teilnehmer[1]/geburtsdatum)'));
+        $participantTwoBirthDate = trim((string) $xpath->evaluate('string(//teilnehmer[2]/geburtsdatum)'));
 
         $this->assertNotSame('Example', $applicantName);
         $this->assertSame($applicantName, $participantOneName);
@@ -76,6 +82,9 @@ XML;
         $this->assertSame('01000000002', $participantOneMobilePhone);
         $this->assertSame($applicantMobilePhone, $participantOneMobilePhone);
         $this->assertNotSame($participantOneName, $participantTwoName);
+        $this->assertSame('03.04.1991', $applicantBirthDate);
+        $this->assertSame('03.04.1991', $participantOneBirthDate);
+        $this->assertSame('12.11.1987', $participantTwoBirthDate);
         $this->assertSame(3, $anonymizer->getLastIdentityCount());
     }
 
@@ -181,7 +190,7 @@ XML;
         $this->assertSame('Divers', $responseSalutation);
         $this->assertSame('', $responseTitle);
         $this->assertSame('D', $responseGender);
-        $this->assertSame('01.01.1980', $responseBirthDate);
+        $this->assertSame('16.04.1972', $responseBirthDate);
         $this->assertSame('XX', $responseNationality);
         $this->assertNotSame('Beispielweg 57', $responseStreet);
         $this->assertNotSame('42853', $responsePostalCode);
@@ -501,7 +510,7 @@ XML;
         $this->assertSame('Divers', $salutation);
         $this->assertSame('', $title);
         $this->assertSame('D', $gender);
-        $this->assertSame('01.01.1980', $birthDate);
+        $this->assertSame('01.02.1990', $birthDate);
         $this->assertSame('XX', $nationality);
         $this->assertNotSame('Beispielweg 12', $street);
         $this->assertNotSame('12345', $postalCode);