diff --git a/src/xdiff/xdiff.h b/src/xdiff/xdiff.h
index db5d59884..f08f72e16 100644
--- a/src/xdiff/xdiff.h
+++ b/src/xdiff/xdiff.h
@@ -20,7 +20,7 @@
  *
  */
 
-#include "util.h"
+#include "../util.h"
 
 #if !defined(XDIFF_H)
 #define XDIFF_H