diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c
index 520ce3fd89840d81cfcaebde2049272876c8c74d..ab8c15d30eef712af4679d9aeeb5641a09afd097 100644
--- a/tools/env/fw_env.c
+++ b/tools/env/fw_env.c
@@ -26,6 +26,7 @@
 
 #include <errno.h>
 #include <fcntl.h>
+#include <linux/stringify.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <stddef.h>