diff --git a/examples/H5/read_step_attribs.c b/examples/H5/read_step_attribs.c
index 231275f..08b91c7 100644
--- a/examples/H5/read_step_attribs.c
+++ b/examples/H5/read_step_attribs.c
@@ -9,6 +9,8 @@
 
 #include "H5hut.h"
 
+#include <stdlib.h>
+
 #define FNAME           "example_step_attribs.h5"
 
 #define ATTR_STRING     "StepAttrString"