diff --git a/orders.lua b/orders.lua
index 98da008..b3c2a79 100644
--- a/orders.lua
+++ b/orders.lua
@@ -39,9 +39,7 @@ local function fetch(wait_for)
 end
 
 local function drawEntry(win, obj)
-    local winX, winY = win.getPosition()
-    local sizeX, sizeY = win.getSize()
-    win.reposition(winX, winY, sizeX, 2)
+    winhlp.setHeight(win, 2)
     win.setBackgroundColor(colors.black)
     win.setTextColor(colors.lightGray)
     win.write(obj.id)
diff --git a/winhlp.lua b/winhlp.lua
index 656db8b..d1e19e7 100644
--- a/winhlp.lua
+++ b/winhlp.lua
@@ -1,14 +1,20 @@
-local function translate(window, x, y)
-    local winX, winY = window.getPosition()
+local function translate(win, x, y)
+    local winX, winY = win.getPosition()
     return x-winX+1, y-winY+1
 end
 
-local function contains(window, x, y)
-    local winX, winY = window.getPosition()
-    local width, height = window.getSize()
+local function contains(win, x, y)
+    local winX, winY = win.getPosition()
+    local width, height = win.getSize()
     return x >= winX and y >= winY and x-winX < width and y-winY < height
 end
 
+local function setHeight(win, height)
+    local winX, winY = win.getPosition()
+    local sizeX, sizeY = win.getSize()
+    win.reposition(winX, winY, sizeX, height)
+end
+
 local function alignRight(termlike, length)
     local tw, th = termlike.getSize()
     local x, y = termlike.getCursorPos()
@@ -20,5 +26,6 @@ end
 return {
     translate=translate,
     contains=contains,
+    setHeight=setHeight,
     alignRight=alignRight,
 }