diff --git a/src/modules/dataman/dataman.h b/src/modules/dataman/dataman.h
index dbace21eff..d625bf9853 100644
--- a/src/modules/dataman/dataman.h
+++ b/src/modules/dataman/dataman.h
@@ -57,6 +57,8 @@ extern "C" {
 		DM_KEY_NUM_KEYS			/* Total number of item types defined */
 	} dm_item_t;
 
+	#define DM_KEY_WAYPOINTS_OFFBOARD(_id) (_id == 0 ? DM_KEY_WAYPOINTS_OFFBOARD_0 : DM_KEY_WAYPOINTS_OFFBOARD_1)
+
 	/** The maximum number of instances for each item type */
 	enum {
 		DM_KEY_SAFE_POINTS_MAX = 8,