diff --git a/debugXML.c b/debugXML.c
index 9f762e1e..8d2f8e71 100644
--- a/debugXML.c
+++ b/debugXML.c
@@ -29,6 +29,7 @@
 #include <libxml/xmlerror.h>
 #include <libxml/globals.h>
 #include <libxml/xpathInternals.h>
+#include <libxml/uri.h>
 
 /**
  * xmlDebugDumpString: