diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c
index ba11f7727b..39f733376e 100644
--- a/tools/env/fw_env.c
+++ b/tools/env/fw_env.c
@@ -10,6 +10,7 @@
 
 #define _GNU_SOURCE
 
+#include <compiler.h>
 #include <errno.h>
 #include <env_flags.h>
 #include <fcntl.h>