diff --git a/MagickCore/policy.c b/MagickCore/policy.c
index 27e32ed..747ce52 100644
--- a/MagickCore/policy.c
+++ b/MagickCore/policy.c
@@ -55,6 +55,7 @@
 #include "MagickCore/string_.h"
 #include "MagickCore/token.h"
 #include "MagickCore/utility.h"
+#include "MagickCore/utility-private.h"
 #include "MagickCore/xml-tree.h"
 
 /*