diff --git a/OpenRA.Game/Graphics/SelectionBarsRenderable.cs b/OpenRA.Game/Graphics/SelectionBarsRenderable.cs
index 68a5c179a4..df6ed1a018 100644
--- a/OpenRA.Game/Graphics/SelectionBarsRenderable.cs
+++ b/OpenRA.Game/Graphics/SelectionBarsRenderable.cs
@@ -64,23 +64,24 @@ namespace OpenRA.Graphics
 
 		void DrawSelectionBar(WorldRenderer wr, float2 start, float2 end, float value, Color barColor)
 		{
+			var iz = 1 / wr.Viewport.Zoom;
 			var c = Color.FromArgb(128, 30, 30, 30);
 			var c2 = Color.FromArgb(128, 10, 10, 10);
-			var p = new float2(0, -4 / wr.Viewport.Zoom);
-			var q = new float2(0, -3 / wr.Viewport.Zoom);
-			var r = new float2(0, -2 / wr.Viewport.Zoom);
+			var p = new float2(0, -4 * iz);
+			var q = new float2(0, -3 * iz);
+			var r = new float2(0, -2 * iz);
 
 			var barColor2 = Color.FromArgb(255, barColor.R / 2, barColor.G / 2, barColor.B / 2);
 
 			var z = float2.Lerp(start, end, value);
-			var wlr = Game.Renderer.WorldLineRenderer;
-			wlr.DrawLine(start + p, end + p, c);
-			wlr.DrawLine(start + q, end + q, c2);
-			wlr.DrawLine(start + r, end + r, c);
+			var wcr = Game.Renderer.WorldRgbaColorRenderer;
+			wcr.DrawLine(start + p, end + p, iz, c);
+			wcr.DrawLine(start + q, end + q, iz, c2);
+			wcr.DrawLine(start + r, end + r, iz, c);
 
-			wlr.DrawLine(start + p, z + p, barColor2);
-			wlr.DrawLine(start + q, z + q, barColor);
-			wlr.DrawLine(start + r, z + r, barColor2);
+			wcr.DrawLine(start + p, z + p, iz, barColor2);
+			wcr.DrawLine(start + q, z + q, iz, barColor);
+			wcr.DrawLine(start + r, z + r, iz, barColor2);
 		}
 
 		Color GetHealthColor(IHealth health)
@@ -120,9 +121,10 @@ namespace OpenRA.Graphics
 
 			var c = Color.FromArgb(128, 30, 30, 30);
 			var c2 = Color.FromArgb(128, 10, 10, 10);
-			var p = new float2(0, -4 / wr.Viewport.Zoom);
-			var q = new float2(0, -3 / wr.Viewport.Zoom);
-			var r = new float2(0, -2 / wr.Viewport.Zoom);
+			var iz = 1 / wr.Viewport.Zoom;
+			var p = new float2(0, -4 * iz);
+			var q = new float2(0, -3 * iz);
+			var r = new float2(0, -2 * iz);
 
 			var healthColor = GetHealthColor(health);
 			var healthColor2 = Color.FromArgb(
@@ -133,14 +135,14 @@ namespace OpenRA.Graphics
 
 			var z = float2.Lerp(start, end, (float)health.HP / health.MaxHP);
 
-			var wlr = Game.Renderer.WorldLineRenderer;
-			wlr.DrawLine(start + p, end + p, c);
-			wlr.DrawLine(start + q, end + q, c2);
-			wlr.DrawLine(start + r, end + r, c);
+			var wcr = Game.Renderer.WorldRgbaColorRenderer;
+			wcr.DrawLine(start + p, end + p, iz, c);
+			wcr.DrawLine(start + q, end + q, iz, c2);
+			wcr.DrawLine(start + r, end + r, iz, c);
 
-			wlr.DrawLine(start + p, z + p, healthColor2);
-			wlr.DrawLine(start + q, z + q, healthColor);
-			wlr.DrawLine(start + r, z + r, healthColor2);
+			wcr.DrawLine(start + p, z + p, iz, healthColor2);
+			wcr.DrawLine(start + q, z + q, iz, healthColor);
+			wcr.DrawLine(start + r, z + r, iz, healthColor2);
 
 			if (health.DisplayHP != health.HP)
 			{
@@ -152,9 +154,9 @@ namespace OpenRA.Graphics
 					deltaColor.B / 2);
 				var zz = float2.Lerp(start, end, (float)health.DisplayHP / health.MaxHP);
 
-				wlr.DrawLine(z + p, zz + p, deltaColor2);
-				wlr.DrawLine(z + q, zz + q, deltaColor);
-				wlr.DrawLine(z + r, zz + r, deltaColor2);
+				wcr.DrawLine(z + p, zz + p, iz, deltaColor2);
+				wcr.DrawLine(z + q, zz + q, iz, deltaColor);
+				wcr.DrawLine(z + r, zz + r, iz, deltaColor2);
 			}
 		}