diff --git a/testXPath.c b/testXPath.c
index 983299d..04d09d2 100644
--- a/testXPath.c
+++ b/testXPath.c
@@ -175,6 +175,8 @@
 	    usefile++;
     }
     if (valid != 0) xmlDoValidityCheckingDefaultValue = 1;
+    xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
+    xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
     if (nocdata != 0) {
 	xmlDefaultSAXHandlerInit();
 	xmlDefaultSAXHandler.cdataBlock = NULL;