diff --git a/OpenRA.Mods.Cnc/Projectiles/IonCannon.cs b/OpenRA.Mods.Cnc/Projectiles/IonCannon.cs
index e710ebf7f9..1f4a81dcc5 100644
--- a/OpenRA.Mods.Cnc/Projectiles/IonCannon.cs
+++ b/OpenRA.Mods.Cnc/Projectiles/IonCannon.cs
@@ -29,7 +29,7 @@ namespace OpenRA.Mods.Cnc.Effects
 		int weaponDelay;
 		bool impacted = false;
 
-		public IonCannon(Player firedBy, WeaponInfo weapon, World world, CPos location, string effect, string palette, int delay)
+		public IonCannon(Player firedBy, WeaponInfo weapon, World world, CPos location, string effect, string sequence, string palette, int delay)
 		{
 			this.firedBy = firedBy;
 			this.weapon = weapon;
@@ -37,7 +37,7 @@ namespace OpenRA.Mods.Cnc.Effects
 			weaponDelay = delay;
 			target = Target.FromCell(world, location);
 			anim = new Animation(world, effect);
-			anim.PlayThen("idle", () => Finish(world));
+			anim.PlayThen(sequence, () => Finish(world));
 		}
 
 		public void Tick(World world)
diff --git a/OpenRA.Mods.Cnc/Traits/Render/WithDeliveryAnimation.cs b/OpenRA.Mods.Cnc/Traits/Render/WithDeliveryAnimation.cs
index 6676a486ed..b58f701964 100644
--- a/OpenRA.Mods.Cnc/Traits/Render/WithDeliveryAnimation.cs
+++ b/OpenRA.Mods.Cnc/Traits/Render/WithDeliveryAnimation.cs
@@ -18,9 +18,9 @@ namespace OpenRA.Mods.Cnc.Traits.Render
 	[Desc("Building animation to play when ProductionAirdrop is used to deliver units.")]
 	public class WithDeliveryAnimationInfo : ITraitInfo, Requires<WithSpriteBodyInfo>
 	{
-		public readonly string ActiveSequence = "active";
+		[SequenceReference] public readonly string ActiveSequence = "active";
 
-		public readonly string IdleSequence = "idle";
+		[SequenceReference] public readonly string IdleSequence = "idle";
 
 		public object Create(ActorInitializer init) { return new WithDeliveryAnimation(init.Self, this); }
 	}
diff --git a/OpenRA.Mods.Cnc/Traits/Render/WithRoof.cs b/OpenRA.Mods.Cnc/Traits/Render/WithRoof.cs
index 7659e31c49..6540366e7f 100644
--- a/OpenRA.Mods.Cnc/Traits/Render/WithRoof.cs
+++ b/OpenRA.Mods.Cnc/Traits/Render/WithRoof.cs
@@ -19,7 +19,7 @@ namespace OpenRA.Mods.Cnc.Traits.Render
 	[Desc("Provides an overlay for the Tiberian Dawn hover craft.")]
 	public class WithRoofInfo : ITraitInfo, Requires<RenderSpritesInfo>
 	{
-		public readonly string Sequence = "roof";
+		[SequenceReference] public readonly string Sequence = "roof";
 
 		public object Create(ActorInitializer init) { return new WithRoof(init.Self, this); }
 	}
diff --git a/OpenRA.Mods.Cnc/Traits/SupportPowers/IonCannonPower.cs b/OpenRA.Mods.Cnc/Traits/SupportPowers/IonCannonPower.cs
index 34e995c31d..44ac999112 100644
--- a/OpenRA.Mods.Cnc/Traits/SupportPowers/IonCannonPower.cs
+++ b/OpenRA.Mods.Cnc/Traits/SupportPowers/IonCannonPower.cs
@@ -27,8 +27,12 @@ namespace OpenRA.Mods.Cnc.Traits
 		[Desc("Amount of time to keep the camera alive")]
 		public readonly int CameraRemoveDelay = 25;
 
-		[Desc("Effect sequence to display")]
+		[Desc("Effect sequence sprite image")]
 		public readonly string Effect = "ionsfx";
+
+		[Desc("Effect sequence to display")]
+		[SequenceReference("Effect")] public readonly string EffectSequence = "idle";
+
 		[PaletteReference] public readonly string EffectPalette = "effect";
 
 		[Desc("Which weapon to fire"), WeaponReference]
@@ -60,7 +64,7 @@ namespace OpenRA.Mods.Cnc.Traits
 			self.World.AddFrameEndTask(w =>
 			{
 				Game.Sound.Play(Info.LaunchSound, self.World.Map.CenterOfCell(order.TargetLocation));
-				w.Add(new IonCannon(self.Owner, info.WeaponInfo, w, order.TargetLocation, info.Effect, info.EffectPalette, info.WeaponDelay));
+				w.Add(new IonCannon(self.Owner, info.WeaponInfo, w, order.TargetLocation, info.Effect, info.EffectSequence, info.EffectPalette, info.WeaponDelay));
 
 				if (info.CameraActor == null)
 					return;