diff --git a/util/misc/esize.c b/util/misc/esize.c
index 30d899932..e9c58b20a 100644
--- a/util/misc/esize.c
+++ b/util/misc/esize.c
@@ -1,7 +1,8 @@
 /*	esize:		prints info from e.out header
 */
 
-#include	<stdio.h>
+#include <stdlib.h>
+#include <stdio.h>
 
 #ifndef	MAGIC
 #define	MAGIC		07255