diff --git a/OpenRA.Mods.Common/Effects/PowerdownIndicator.cs b/OpenRA.Mods.Common/Effects/PowerdownIndicator.cs
index 35e5d42777..fea18ba435 100644
--- a/OpenRA.Mods.Common/Effects/PowerdownIndicator.cs
+++ b/OpenRA.Mods.Common/Effects/PowerdownIndicator.cs
@@ -16,7 +16,7 @@ using OpenRA.Mods.Common.Traits;
 
 namespace OpenRA.Mods.Common.Effects
 {
-	class PowerdownIndicator : IEffect
+	class PowerdownIndicator : IEffect, IEffectAboveShroud
 	{
 		readonly Actor a;
 		readonly Animation anim;
@@ -31,7 +31,7 @@ namespace OpenRA.Mods.Common.Effects
 			anim.PlayRepeating(canPowerDown.Info.IndicatorSequence);
 		}
 
-		public void Tick(World world)
+		void IEffect.Tick(World world)
 		{
 			if (!a.IsInWorld || a.IsDead || !canPowerDown.Disabled)
 				world.AddFrameEndTask(w => w.Remove(this));
@@ -39,7 +39,9 @@ namespace OpenRA.Mods.Common.Effects
 			anim.Tick();
 		}
 
-		public IEnumerable<IRenderable> Render(WorldRenderer wr)
+		IEnumerable<IRenderable> IEffect.Render(WorldRenderer wr) { return SpriteRenderable.None; }
+
+		IEnumerable<IRenderable> IEffectAboveShroud.RenderAboveShroud(WorldRenderer wr)
 		{
 			if (a.Disposed || wr.World.FogObscures(a))
 				return SpriteRenderable.None;
diff --git a/OpenRA.Mods.Common/Effects/RepairIndicator.cs b/OpenRA.Mods.Common/Effects/RepairIndicator.cs
index e9701d1095..9aa3d0fd83 100644
--- a/OpenRA.Mods.Common/Effects/RepairIndicator.cs
+++ b/OpenRA.Mods.Common/Effects/RepairIndicator.cs
@@ -17,7 +17,7 @@ using OpenRA.Mods.Common.Traits;
 
 namespace OpenRA.Mods.Common.Effects
 {
-	class RepairIndicator : IEffect
+	class RepairIndicator : IEffect, IEffectAboveShroud
 	{
 		readonly Actor building;
 		readonly Animation anim;
@@ -35,7 +35,7 @@ namespace OpenRA.Mods.Common.Effects
 			CycleRepairer();
 		}
 
-		public void Tick(World world)
+		void IEffect.Tick(World world)
 		{
 			if (!building.IsInWorld || building.IsDead || !rb.Repairers.Any())
 				world.AddFrameEndTask(w => w.Remove(this));
@@ -43,7 +43,9 @@ namespace OpenRA.Mods.Common.Effects
 			anim.Tick();
 		}
 
-		public IEnumerable<IRenderable> Render(WorldRenderer wr)
+		IEnumerable<IRenderable> IEffect.Render(WorldRenderer wr) { return SpriteRenderable.None; }
+
+		IEnumerable<IRenderable> IEffectAboveShroud.RenderAboveShroud(WorldRenderer wr)
 		{
 			if (building.Disposed || rb.Repairers.Count == 0 || wr.World.FogObscures(building))
 				return SpriteRenderable.None;