diff --git a/data/campaigns/Heir_To_The_Throne/scenarios/24_Battle_for_Wesnoth.cfg b/data/campaigns/Heir_To_The_Throne/scenarios/24_Battle_for_Wesnoth.cfg
index 254828836d44..876525362ac6 100644
--- a/data/campaigns/Heir_To_The_Throne/scenarios/24_Battle_for_Wesnoth.cfg
+++ b/data/campaigns/Heir_To_The_Throne/scenarios/24_Battle_for_Wesnoth.cfg
@@ -260,6 +260,14 @@
         [filter]
             [not]
                 type=Gryphon
+
+                [or]
+                    id="Li'sar"
+                [/or]
+
+                [or]
+                    id=Delfador
+                [/or]
             [/not]
         [/filter]
         [filter_second]