diff --git a/include/hab.h b/include/hab.h
index fb7149e..78c2b86 100644
--- a/include/hab.h
+++ b/include/hab.h
@@ -18,6 +18,8 @@
 #ifndef __HABV4_H
 #define __HABV4_H
 
+#include <errno.h>
+
 #ifdef CONFIG_HABV4
 int imx28_hab_get_status(void);
 int imx6_hab_get_status(void);