diff --git a/lib/libmagic/config.h b/lib/libmagic/config.h
index b842859fc2ab..232d801a6512 100644
--- a/lib/libmagic/config.h
+++ b/lib/libmagic/config.h
@@ -20,7 +20,7 @@
 #define HAVE_ASPRINTF 1
 
 /* Define to 1 if you have the <byteswap.h> header file. */
-#define HAVE_BYTESWAP_H 1
+/* #undef HAVE_BYTESWAP_H */
 
 /* Define to 1 if you have the <bzlib.h> header file. */
 /* #undef HAVE_BZLIB_H */