diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c
index 520ce3f..ab8c15d 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>