diff --git a/OpenRA.Mods.RA/Missions/Allies01Script.cs b/OpenRA.Mods.RA/Missions/Allies01Script.cs
index d8c7b5a327..d6c52cff07 100644
--- a/OpenRA.Mods.RA/Missions/Allies01Script.cs
+++ b/OpenRA.Mods.RA/Missions/Allies01Script.cs
@@ -26,7 +26,7 @@ namespace OpenRA.Mods.RA.Missions
 
 	class Allies01Script : IHasObjectives, IWorldLoaded, ITick
 	{
-		public event ObjectivesUpdatedEventHandler OnObjectivesUpdated;
+		public event ObjectivesUpdatedEventHandler OnObjectivesUpdated = notify => { };
 
 		public IEnumerable<Objective> Objectives { get { return objectives.Values; } }
 
diff --git a/OpenRA.Mods.RA/Missions/Allies02Script.cs b/OpenRA.Mods.RA/Missions/Allies02Script.cs
index 45683d4def..aaed48976b 100644
--- a/OpenRA.Mods.RA/Missions/Allies02Script.cs
+++ b/OpenRA.Mods.RA/Missions/Allies02Script.cs
@@ -28,7 +28,7 @@ namespace OpenRA.Mods.RA.Missions
 
 	class Allies02Script : IHasObjectives, IWorldLoaded, ITick
 	{
-		public event ObjectivesUpdatedEventHandler OnObjectivesUpdated;
+		public event ObjectivesUpdatedEventHandler OnObjectivesUpdated = notify => { };
 
 		public IEnumerable<Objective> Objectives { get { return objectives.Values; } }