Index: lib/libmd/mdXhl.c
===================================================================
--- lib/libmd/mdXhl.c
+++ lib/libmd/mdXhl.c
@@ -50,7 +50,7 @@
 char *
 MDXFdChunk(int fd, char *buf, off_t ofs, off_t len)
 {
-	unsigned char buffer[16*1024];
+	unsigned char buffer[1024*1024];
 	MDX_CTX ctx;
 	struct stat stbuf;
 	int readrv, e;