diff --git a/validator/src/main/java/org/mustangproject/validator/XMLValidator.java b/validator/src/main/java/org/mustangproject/validator/XMLValidator.java
index c5a3d742..816f2588 100644
--- a/validator/src/main/java/org/mustangproject/validator/XMLValidator.java
+++ b/validator/src/main/java/org/mustangproject/validator/XMLValidator.java
@@ -241,7 +241,7 @@ public class XMLValidator extends Validator {
 						XRechnung is a EN16931 subset so the validation vis a vis FACTUR-X_EN16931.xslt=schematron also has to pass
 						* */
 						//validateSchema(zfXML.getBytes(StandardCharsets.UTF_8), "ZF_211/EN16931/FACTUR-X_EN16931.xsd", 18, EPart.fx);
-						xsltFilename = "/xslt/XR_30/XRechnung-CII-validation.xslt";
+
 						XrechnungSeverity = ESeverity.error;
 					} else if (isExtended) {
 						LOGGER.debug("is EXTENDED");
@@ -339,8 +339,11 @@ public class XMLValidator extends Validator {
 					}
 				}
 
-				// main schematron validation
-				validateSchematron(zfXML, xsltFilename, mainSchematronSectionErrorTypeCode, ESeverity.error);
+				if (xsltFilename!=null) {
+					// main schematron validation
+					validateSchematron(zfXML, xsltFilename, mainSchematronSectionErrorTypeCode, ESeverity.error);
+
+				}
 
 				if (context.getFormat().equals("CII")) {