diff --git a/data/campaigns/Descent_Into_Darkness/scenarios/11_Descent_into_Darkness.cfg b/data/campaigns/Descent_Into_Darkness/scenarios/11_Descent_into_Darkness.cfg
index 87c21e7676be..72135c2e0103 100644
--- a/data/campaigns/Descent_Into_Darkness/scenarios/11_Descent_into_Darkness.cfg
+++ b/data/campaigns/Descent_Into_Darkness/scenarios/11_Descent_into_Darkness.cfg
@@ -1291,6 +1291,7 @@
                 apply_to=new_ability
                 [abilities]
                     [leadership]
+                        id=conscience
                         name= _ "conscience"
                         name_inactive= _ "conscience"
                         description= _ "This unit has its damage increased by 50%"