diff --git a/OpenRA.Game/Widgets/ProgressBarWidget.cs b/OpenRA.Game/Widgets/ProgressBarWidget.cs
index 00b8f84a54..2a2cac02dd 100644
--- a/OpenRA.Game/Widgets/ProgressBarWidget.cs
+++ b/OpenRA.Game/Widgets/ProgressBarWidget.cs
@@ -19,37 +19,46 @@ namespace OpenRA.Widgets
 	{
 		public int Percentage = 0;
 		public bool Indeterminate = false;
-		int indeterminateTick = 0;
 		
+		// Indeterminant bar properties
+		float offset = 0f;
+		float tickStep = 0.04f;
+
 		public ProgressBarWidget() : base() {}
 		protected ProgressBarWidget(ProgressBarWidget widget)
 			: base(widget)
 		{
 			Percentage = widget.Percentage;
 		}
-
+		
 		public override void DrawInner()
 		{
 			var rb = RenderBounds;
-			WidgetUtils.DrawPanel("dialog3", rb);
+			WidgetUtils.DrawPanel("progressbar-bg", rb);
+			
 			Rectangle barRect = Indeterminate ? 
-				new Rectangle(rb.X + 2  + (int)((rb.Width - 4)*(-Math.Cos(Math.PI*2*indeterminateTick/100) + 1)*3/8), rb.Y + 2, (rb.Width - 4) / 4, rb.Height - 4) : 
+				new Rectangle(rb.X + 2 + (int)(0.75*offset*(rb.Width - 4)), rb.Y + 2, (rb.Width - 4) / 4, rb.Height - 4) : 
 				new Rectangle(rb.X + 2, rb.Y + 2, Percentage * (rb.Width - 4) / 100, rb.Height - 4);
 			
 			if (barRect.Width > 0)
-				WidgetUtils.DrawPanel("dialog2", barRect);
+				WidgetUtils.DrawPanel("progressbar-thumb", barRect);
 		}
 		
 		public override void Tick()
 		{
-			if (Indeterminate && indeterminateTick++ >= 100)
-				indeterminateTick = 0;
+			if (Indeterminate)
+			{
+				offset += tickStep;
+				offset = offset.Clamp(0f, 1f);
+				if (offset == 0f || offset == 1f)
+					tickStep *= -1;
+			}
 		}
 		
 		public void SetIndeterminate(bool value)
 		{
 			Indeterminate = value;
-			indeterminateTick = 0;
+			offset = 0f;
 		}
 		
 		public override Widget Clone() { return new ProgressBarWidget(this); }
diff --git a/mods/cnc/chrome.yaml b/mods/cnc/chrome.yaml
index b5b18ebf02..2dfb37c32b 100644
--- a/mods/cnc/chrome.yaml
+++ b/mods/cnc/chrome.yaml
@@ -48,6 +48,30 @@ button-pressed: chrome.png
 	corner-bl: 64,254,2,2
 	corner-br: 126,254,2,2
 
+# A copy of button
+progressbar-bg: chrome.png
+	background: 2,194,60,60
+	border-r: 62,194,2,60
+	border-l: 0,194,2,60
+	border-b: 2,254,60,2
+	border-t: 2,192,60,2
+	corner-tl: 0,192,2,2
+	corner-tr: 62,192,2,2
+	corner-bl: 0,254,2,2
+	corner-br: 62,254,2,2
+
+# A copy of button-hover
+progressbar-thumb: chrome.png
+	background: 2,130,60,60
+	border-r: 62,132,2,60
+	border-l: 0,130,2,60
+	border-b: 2,190,60,2
+	border-t: 2,128,60,2
+	corner-tl: 0,128,2,2
+	corner-tr: 62,128,2,2
+	corner-bl: 0,190,2,2
+	corner-br: 62,190,2,2
+
 panel-black: chrome.png
 	background: 66,2,60,60
 	border-r: 126,2,2,60
diff --git a/mods/ra/chrome.yaml b/mods/ra/chrome.yaml
index d6e000059d..003dea01fc 100644
--- a/mods/ra/chrome.yaml
+++ b/mods/ra/chrome.yaml
@@ -214,3 +214,26 @@ scrollbar: buttons.png
 checkbox: buttons.png
 	checked: 0,112,16,16
 
+# A copy of dialog3
+progressbar-bg: dialog.png
+	background: 641,1,126,126
+	border-r: 767,1,1,126
+	border-l: 640,1,1,126
+	border-b: 641,127,126,1
+	border-t: 641,0,126,1
+	corner-tl: 640,0,1,1
+	corner-tr: 722,0,1,1
+	corner-bl: 640,82,1,1
+	corner-br: 722,82,1,1
+
+# A copy of dialog2
+progressbar-thumb: dialog.png
+	background: 513,1,126,126
+	border-r: 639,1,1,126
+	border-l: 512,1,1,126
+	border-b: 513,127,126,1
+	border-t: 513,0,126,1
+	corner-tl: 512,0,1,1
+	corner-tr: 594,0,1,1
+	corner-bl: 512,82,1,1
+	corner-br: 594,82,1,1