diff --git a/poi-ooxml/src/main/java/org/apache/poi/ooxml/POIXMLTypeLoader.java b/poi-ooxml/src/main/java/org/apache/poi/ooxml/POIXMLTypeLoader.java
index b30d4d0e0c..08c62b39c7 100644
--- a/poi-ooxml/src/main/java/org/apache/poi/ooxml/POIXMLTypeLoader.java
+++ b/poi-ooxml/src/main/java/org/apache/poi/ooxml/POIXMLTypeLoader.java
@@ -40,7 +40,7 @@ public class POIXMLTypeLoader {
         DEFAULT_XML_OPTIONS.setUseDefaultNamespace();
         DEFAULT_XML_OPTIONS.setSaveAggressiveNamespaces();
         DEFAULT_XML_OPTIONS.setCharacterEncoding("UTF-8");
-        DEFAULT_XML_OPTIONS.setDisallowDocTypeDeclaration(true);
+        //DEFAULT_XML_OPTIONS.setDisallowDocTypeDeclaration(true);
         DEFAULT_XML_OPTIONS.setEntityExpansionLimit(1);
         // Piccolo is disabled for POI builts, i.e. JAXP is used for parsing
         // so only user code using XmlObject/XmlToken.Factory.parse