diff --git a/opal/util/alfg.h b/opal/util/alfg.h
index ddcb8ed46f..9861481038 100644
--- a/opal/util/alfg.h
+++ b/opal/util/alfg.h
@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 2014      Mellanox Technologies, Inc.
  *                         All rights reserved.
+ * Copyright (c) 2014 Cisco Systems, Inc.  All rights reserved.
  * $COPYRIGHT$
  * 
  * Additional copyrights may follow
@@ -8,12 +9,14 @@
  * $HEADER$
  */
 
-#ifndef ALFG_H
-#define ALFG_H
-
+#ifndef OPAL_ALFG_H
+#define OPAL_ALFG_H
 
 #include "opal_config.h"
 
+#include "opal_stdint.h"
+
+
 struct opal_rng_buff_t {
     uint32_t alfg[127];
     int tap1;
@@ -26,4 +29,4 @@ int opal_srand(opal_rng_buff_t *buff, uint32_t seed);
 
 uint32_t opal_rand(opal_rng_buff_t *buff);
 
-#endif /* ALFG_H */
+#endif /* OPAL_ALFG_H */