diff --git a/frontend/ui/widget/progresswidget.lua b/frontend/ui/widget/progresswidget.lua
index 166164565823..42674e7025e7 100644
--- a/frontend/ui/widget/progresswidget.lua
+++ b/frontend/ui/widget/progresswidget.lua
@@ -141,7 +141,7 @@ function ProgressWidget:paintTo(bb, x, y)
         -- Otherwise, we have to start with the background.
         bb:paintRoundedRect(x, y, my_size.w, my_size.h, self.bgcolor, self.radius)
         -- Then the border around that.
-        bb:paintBorder(x, y,
+        bb:paintBorder(math.floor(x), math.floor(y),
                        my_size.w, my_size.h,
                        self.bordersize, self.bordercolor, self.radius)
     end