diff --git a/libraries/GCS_MAVLink/MissionItemProtocol_Fence.cpp b/libraries/GCS_MAVLink/MissionItemProtocol_Fence.cpp
index 7eab1ccc99..6b6c2d61a5 100644
--- a/libraries/GCS_MAVLink/MissionItemProtocol_Fence.cpp
+++ b/libraries/GCS_MAVLink/MissionItemProtocol_Fence.cpp
@@ -64,7 +64,11 @@ uint16_t MissionItemProtocol_Fence::item_count() const
 static MAV_MISSION_RESULT convert_MISSION_ITEM_INT_to_AC_PolyFenceItem(const mavlink_mission_item_int_t &mission_item_int, AC_PolyFenceItem &ret)
 {
     if (mission_item_int.frame != MAV_FRAME_GLOBAL &&
-        mission_item_int.frame != MAV_FRAME_GLOBAL_INT) {
+        mission_item_int.frame != MAV_FRAME_GLOBAL_INT &&
+        mission_item_int.frame != MAV_FRAME_GLOBAL_RELATIVE_ALT &&
+        mission_item_int.frame != MAV_FRAME_GLOBAL_RELATIVE_ALT_INT &&
+        mission_item_int.frame != MAV_FRAME_GLOBAL_TERRAIN_ALT &&
+        mission_item_int.frame != MAV_FRAME_GLOBAL_TERRAIN_ALT_INT) {
         return MAV_MISSION_UNSUPPORTED_FRAME;
     }