diff --git a/src/game/ToolButton.cpp b/src/game/ToolButton.cpp
index 5c9f2d455..729530993 100644
--- a/src/game/ToolButton.cpp
+++ b/src/game/ToolButton.cpp
@@ -38,7 +38,7 @@ void ToolButton::OnMouseUp(int x, int y, unsigned int button)
 void ToolButton::Draw(const ui::Point& screenPos)
 {
 	Graphics * g = ui::Engine::Ref().g;
-	int totalColour = Appearance.BackgroundInactive.Red + (3*Appearance.BackgroundInactive.Green) + (2*Appearance.BackgroundInactive.Blue);
+	int totalColour = Appearance.BackgroundInactive.Blue + (3*Appearance.BackgroundInactive.Green) + (2*Appearance.BackgroundInactive.Red);
 
 	g->fillrect(screenPos.X+2, screenPos.Y+2, Size.X-4, Size.Y-4, Appearance.BackgroundInactive.Red, Appearance.BackgroundInactive.Green, Appearance.BackgroundInactive.Blue, Appearance.BackgroundInactive.Alpha);