diff --git a/OpenRA.Mods.RA/Combat.cs b/OpenRA.Mods.RA/Combat.cs
index c0d4de1ed0..c65c21837a 100755
--- a/OpenRA.Mods.RA/Combat.cs
+++ b/OpenRA.Mods.RA/Combat.cs
@@ -45,7 +45,7 @@ namespace OpenRA.Mods.RA
 
 			if (explosionType != null)
 				world.AddFrameEndTask(
-					w => w.Add(new Explosion(w, args.dest, explosionType, isWater, args.destAltitude)));
+					w => w.Add(new Explosion(w, args.dest.ToWPos(args.destAltitude), explosionType)));
 
 			Sound.Play(GetImpactSound(warhead, isWater), args.dest);
 
diff --git a/OpenRA.Mods.RA/Effects/Explosion.cs b/OpenRA.Mods.RA/Effects/Explosion.cs
index 7463e3c2ce..0a8e953e21 100644
--- a/OpenRA.Mods.RA/Effects/Explosion.cs
+++ b/OpenRA.Mods.RA/Effects/Explosion.cs
@@ -18,26 +18,20 @@ namespace OpenRA.Mods.RA.Effects
 	public class Explosion : IEffect
 	{
 		Animation anim;
-		PPos pos;
-		int altitude;
+		WPos pos;
 
-		public Explosion(World world, PPos pixelPos, string style, bool isWater, int altitude)
+		public Explosion(World world, WPos pos, string style)
 		{
-			this.pos = pixelPos;
-			this.altitude = altitude;
+			this.pos = pos;
 			anim = new Animation("explosion");
-			anim.PlayThen(style,
-				() => world.AddFrameEndTask(w => w.Remove(this)));
+			anim.PlayThen(style, () => world.AddFrameEndTask(w => w.Remove(this)));
 		}
 
 		public void Tick( World world ) { anim.Tick(); }
 
 		public IEnumerable<IRenderable> Render(WorldRenderer wr)
 		{
-			var p = pos.ToInt2() - new int2(0, altitude);
-			yield return new SpriteRenderable(anim.Image, p, wr.Palette("effect"), p.Y);
+			yield return new SpriteRenderable(anim.Image, pos, 0, wr.Palette("effect"), 1f);
 		}
-
-		public Player Owner { get { return null; } }
 	}
 }
diff --git a/OpenRA.Mods.RA/Render/WithBuildingExplosion.cs b/OpenRA.Mods.RA/Render/WithBuildingExplosion.cs
index 0a2eb2a6a9..2ca9291cac 100755
--- a/OpenRA.Mods.RA/Render/WithBuildingExplosion.cs
+++ b/OpenRA.Mods.RA/Render/WithBuildingExplosion.cs
@@ -22,7 +22,7 @@ namespace OpenRA.Mods.RA.Render
 			var bi = self.Info.Traits.Get<BuildingInfo>();
 			FootprintUtils.UnpathableTiles(self.Info.Name, bi, self.Location).Do(
 				t => self.World.AddFrameEndTask(
-					w => w.Add(new Explosion(w, Traits.Util.CenterOfCell(t), "building", false, 0))));
+					w => w.Add(new Explosion(w, t.CenterPosition, "building"))));
 		}
 	}
 }