diff --git a/parser.c b/parser.c
index c0dea05..1415151 100644
--- a/parser.c
+++ b/parser.c
@@ -2608,6 +2608,9 @@ xmlParserHandlePEReference(xmlParserCtxtPtr ctxt) {
                     if ((entity->etype == XML_EXTERNAL_PARAMETER_ENTITY) &&
 		        ((ctxt->options & XML_PARSE_NOENT) == 0) &&
 			((ctxt->options & XML_PARSE_DTDVALID) == 0) &&
+			((ctxt->options & XML_PARSE_DTDLOAD) == 0) &&
+			((ctxt->options & XML_PARSE_DTDATTR) == 0) &&
+			(ctxt->replaceEntities == 0) &&
 			(ctxt->validate == 0))
 			return;
 
@@ -12616,6 +12619,9 @@ xmlIOParseDTD(xmlSAXHandlerPtr sax, xmlParserInputBufferPtr input,
 	return(NULL);
     }
 
+    /* We are loading a DTD */
+    ctxt->options |= XML_PARSE_DTDLOAD;
+
     /*
      * Set-up the SAX context
      */
@@ -12743,6 +12749,9 @@ xmlSAXParseDTD(xmlSAXHandlerPtr sax, const xmlChar *ExternalID,
 	return(NULL);
     }
 
+    /* We are loading a DTD */
+    ctxt->options |= XML_PARSE_DTDLOAD;
+
     /*
      * Set-up the SAX context
      */