diff --git a/KissXML/DDXMLDocument.m b/KissXML/DDXMLDocument.m
index c16f8250..7a8915d8 100644
--- a/KissXML/DDXMLDocument.m
+++ b/KissXML/DDXMLDocument.m
@@ -1,5 +1,6 @@
 #import "DDXMLPrivate.h"
 #import "NSString+DDXML.h"
+#import <libxml/parser.h>
 
 #if ! __has_feature(objc_arc)
 #warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).