diff --git a/OpenRA.Mods.Common/Traits/World/ActorSpawnManager.cs b/OpenRA.Mods.Common/Traits/World/ActorSpawnManager.cs
index 37ce2f94d4..a8a067b7d0 100644
--- a/OpenRA.Mods.Common/Traits/World/ActorSpawnManager.cs
+++ b/OpenRA.Mods.Common/Traits/World/ActorSpawnManager.cs
@@ -27,6 +27,9 @@ namespace OpenRA.Mods.Common.Traits
 		[Desc("Maximum number of actors.")]
 		public readonly int Maximum = 4;
 
+		[Desc("Initial delay before first actor is spawn")]
+		public readonly int InitialDelay = 0;
+
 		[Desc("Time (in ticks) between actor spawn. Supports 1 or 2 values.",
 			"If 2 values are provided they are used as a range from which a value is randomly selected.")]
 		public readonly int[] SpawnInterval = { 6000 };
@@ -64,6 +67,7 @@ namespace OpenRA.Mods.Common.Traits
 
 		bool enabled;
 		int spawnCountdown;
+		int initialDelay;
 		int actorsPresent;
 
 		public ActorSpawnManager(ActorSpawnManagerInfo info)
@@ -78,11 +82,20 @@ namespace OpenRA.Mods.Common.Traits
 			base.Created(self);
 		}
 
+		protected override void TraitEnabled(Actor self)
+		{
+			initialDelay = info.InitialDelay;
+			spawnCountdown = 0;
+		}
+
 		void ITick.Tick(Actor self)
 		{
 			if (IsTraitDisabled || !enabled)
 				return;
 
+			if (--initialDelay > 0)
+				return;
+
 			if (info.Maximum < 1 || actorsPresent >= info.Maximum)
 				return;
 
diff --git a/mods/d2k/rules/campaign-rules.yaml b/mods/d2k/rules/campaign-rules.yaml
index 46c72a6a8e..a695bcf994 100644
--- a/mods/d2k/rules/campaign-rules.yaml
+++ b/mods/d2k/rules/campaign-rules.yaml
@@ -32,6 +32,7 @@ World:
 	ActorSpawnManager:
 		Minimum: 0
 		Maximum: 1
+		InitialDelay: 5000
 	MapCreeps:
 		CheckboxVisible: False
 		CheckboxLocked: True
diff --git a/mods/d2k/rules/world.yaml b/mods/d2k/rules/world.yaml
index e5b5ae9340..2edd523b44 100644
--- a/mods/d2k/rules/world.yaml
+++ b/mods/d2k/rules/world.yaml
@@ -130,6 +130,7 @@ World:
 		ProductionPaletteWidget: PRODUCTION_PALETTE
 	ActorSpawnManager:
 		Actors: sandworm
+		InitialDelay: 9000
 	CrateSpawner:
 		Minimum: 0
 		Maximum: 2