diff --git a/include/drivers/auth/auth_mod.h b/include/drivers/auth/auth_mod.h
index 74fc15f..bb3b8f9 100644
--- a/include/drivers/auth/auth_mod.h
+++ b/include/drivers/auth/auth_mod.h
@@ -44,6 +44,9 @@
 			(const auth_img_desc_t *const)&_cot[0]; \
 	unsigned int auth_img_flags[MAX_NUMBER_IDS]
 
+extern const auth_img_desc_t *const cot_desc_ptr;
+extern unsigned int auth_img_flags[MAX_NUMBER_IDS];
+
 #endif /* TRUSTED_BOARD_BOOT */
 
 #endif /* __AUTH_MOD_H__ */