diff --git a/libhfs/record.c b/libhfs/record.c
index 33097d2..515b075 100644
--- a/libhfs/record.c
+++ b/libhfs/record.c
@@ -23,6 +23,7 @@
 #  include "config.h"
 # endif
 
+# include <stdlib.h>
 # include <string.h>
 
 # include "libhfs.h"