diff --git a/config/objects/moddables.json b/config/objects/moddables.json
index b97606eb9..422fe3532 100644
--- a/config/objects/moddables.json
+++ b/config/objects/moddables.json
@@ -155,18 +155,21 @@
 		"types" : {
 			"boatNecropolis" : { 
 				"index" : 0,
+				"compatibilityIdentifiers" : [ "evil" ],
 				"actualAnimation" : "AB01_.def",
 				"overlayAnimation" : "ABM01_.def",
 				"flagAnimations" : ["ABF01L", "ABF01G", "ABF01R", "ABF01D", "ABF01B", "ABF01P", "ABF01W", "ABF01K"]
 			},
 			"boatCastle" : { 
 				"index" : 1, 
+				"compatibilityIdentifiers" : [ "good" ],
 				"actualAnimation" : "AB02_.def",
 				"overlayAnimation" : "ABM02_.def",
 				"flagAnimations" : ["ABF02L", "ABF02G", "ABF02R", "ABF02D", "ABF02B", "ABF02P", "ABF02W", "ABF02K"]
 			},
 			"boatFortress" : {
 				"index" : 2, 
+				"compatibilityIdentifiers" : [ "neutral" ],
 				"actualAnimation" : "AB03_.def",
 				"overlayAnimation" : "ABM03_.def",
 				"flagAnimations" : ["ABF03L", "ABF03G", "ABF03R", "ABF03D", "ABF03B", "ABF03P", "ABF03W", "ABF03K"]