diff --git a/OpenRA.Mods.RA/Graphics/TeslaZapRenderable.cs b/OpenRA.Mods.RA/Graphics/TeslaZapRenderable.cs
index 194536cf4f..ec9d73ffb4 100644
--- a/OpenRA.Mods.RA/Graphics/TeslaZapRenderable.cs
+++ b/OpenRA.Mods.RA/Graphics/TeslaZapRenderable.cs
@@ -70,6 +70,10 @@ namespace OpenRA.Mods.RA.Graphics
 		public void RenderDebugGeometry(WorldRenderer wr) { }
 		public void Render(WorldRenderer wr)
 		{
+			if (wr.World.FogObscures(wr.World.Map.CellContaining(pos)) &&
+				wr.World.FogObscures(wr.World.Map.CellContaining(pos + length)))
+				return;
+
 			if (!cache.Any() || length != cachedLength || pos != cachedPos)
 				cache = GenerateRenderables(wr);