diff --git a/OpenRA.Mods.Common/Widgets/ColorMixerWidget.cs b/OpenRA.Mods.Common/Widgets/ColorMixerWidget.cs
index 394ad368bc..48efa2fbfb 100644
--- a/OpenRA.Mods.Common/Widgets/ColorMixerWidget.cs
+++ b/OpenRA.Mods.Common/Widgets/ColorMixerWidget.cs
@@ -58,6 +58,7 @@ namespace OpenRA.Mods.Common.Widgets
 			var mixerSheet = new Sheet(new Size(256, 256));
 			mixerSheet.GetTexture().SetData(front, 256, 256);
 			mixerSprite = new Sprite(mixerSheet, rect, TextureChannel.Alpha);
+			GenerateBitmap();
 		}
 
 		void GenerateBitmap()