diff --git a/src/ZugferdProfiles.php b/src/ZugferdProfiles.php
index e3e80bda..a666a550 100644
--- a/src/ZugferdProfiles.php
+++ b/src/ZugferdProfiles.php
@@ -126,7 +126,7 @@ class ZugferdProfiles
                 'item level to support warehousing, etc.)',
             'contextparameter' => 'urn:cen.eu:en16931:2017#conformant#urn:factur-x.eu:1p0:extended',
             'alternativecontextparameters' => ['urn:cen.eu:en16931:2017#conformant#urn:zugferd.de:2p0:extended'],
-            'businessprocess' => null,
+            'businessprocess' => 'urn:fdc:peppol.eu:2017:poacc:billing:01:1.0',
             'attachmentfilename' => 'factur-x.xml',
             'xmpname' => 'EXTENDED',
             'xsdfilename' => 'FACTUR-X_EXTENDED.xsd',
diff --git a/tests/testcases/BuilderExtendedTest.php b/tests/testcases/BuilderExtendedTest.php
index f2f3594b..a38cfd9b 100644
--- a/tests/testcases/BuilderExtendedTest.php
+++ b/tests/testcases/BuilderExtendedTest.php
@@ -70,11 +70,11 @@ public function testSetDocumentInformation(): void
     public function testSetDocumentBusinessProcess(): void
     {
         $this->disableRenderXmlContent();
-        $this->assertXPathNotExists('/rsm:CrossIndustryInvoice/rsm:ExchangedDocumentContext/ram:BusinessProcessSpecifiedDocumentContextParameter/ram:ID');
+        $this->assertXPathValueWithIndex('/rsm:CrossIndustryInvoice/rsm:ExchangedDocumentContext/ram:BusinessProcessSpecifiedDocumentContextParameter/ram:ID', 0, 'urn:fdc:peppol.eu:2017:poacc:billing:01:1.0');
 
         (self::$document)->setDocumentBusinessProcess("");
         $this->disableRenderXmlContent();
-        $this->assertXPathNotExists('/rsm:CrossIndustryInvoice/rsm:ExchangedDocumentContext/ram:BusinessProcessSpecifiedDocumentContextParameter/ram:ID');
+        $this->assertXPathValueWithIndex('/rsm:CrossIndustryInvoice/rsm:ExchangedDocumentContext/ram:BusinessProcessSpecifiedDocumentContextParameter/ram:ID', 0, 'urn:fdc:peppol.eu:2017:poacc:billing:01:1.0');
 
         (self::$document)->setDocumentBusinessProcess("GENERAL INVOICE");
         $this->disableRenderXmlContent();