diff --git a/MagickCore/magic.c b/MagickCore/magic.c
index 0409fe6..20c91db 100644
--- a/MagickCore/magic.c
+++ b/MagickCore/magic.c
@@ -54,6 +54,7 @@
 #include "MagickCore/string-private.h"
 #include "MagickCore/token.h"
 #include "MagickCore/utility.h"
+#include "MagickCore/utility-private.h"
 #include "MagickCore/xml-tree.h"
 
 /*