diff --git a/coordinator/ui/components/unit_overview.lua b/coordinator/ui/components/unit_overview.lua
index 2ddedc7..30f887b 100644
--- a/coordinator/ui/components/unit_overview.lua
+++ b/coordinator/ui/components/unit_overview.lua
@@ -41,7 +41,7 @@ local function make(parent, x, y, unit)
     end
 
     -- bounding box div
-    local root = Div{parent=parent,x=x,y=y,width=80,height=height,fg_bg=cpair(colors.black,colors.black)}
+    local root = Div{parent=parent,x=x,y=y,width=80,height=height}
 
     -- unit header message
     TextBox{parent=root,text="Unit #" .. unit.unit_id,alignment=TEXT_ALIGN.CENTER,height=1,fg_bg=style.header}