diff --git a/expat/xmlwf/xmlfile.h b/expat/xmlwf/xmlfile.h
index d053365..d093ecc 100755
--- a/expat/xmlwf/xmlfile.h
+++ b/expat/xmlwf/xmlfile.h
@@ -5,6 +5,16 @@
 #define XML_MAP_FILE 01
 #define XML_EXTERNAL_ENTITIES 02
 
+#ifdef XML_LARGE_SIZE
+#if defined(XML_USE_MSC_EXTENSIONS) && _MSC_VER < 1400
+#define XML_FMT_INT_MOD "I64"
+#else
+#define XML_FMT_INT_MOD "ll"
+#endif
+#else
+#define XML_FMT_INT_MOD "l"
+#endif
+
 extern int XML_ProcessFile(XML_Parser parser,
                            const XML_Char *filename,
                            unsigned flags);