diff --git a/lib/awful/wibox.lua.in b/lib/awful/wibox.lua.in
index 5ac0f7b7..a706affe 100644
--- a/lib/awful/wibox.lua.in
+++ b/lib/awful/wibox.lua.in
@@ -88,13 +88,13 @@ local function wibox_update_strut(wibox)
             if not wibox.visible then
                 wibox:struts { left = 0, right = 0, bottom = 0, top = 0 }
             elseif wprop.position == "top" then
-                wibox:struts { left = 0, right = 0, bottom = 0, top = wibox.height + wibox.border_width }
+                wibox:struts { left = 0, right = 0, bottom = 0, top = wibox.height + 2 * wibox.border_width }
             elseif wprop.position == "bottom" then
-                wibox:struts { left = 0, right = 0, bottom = wibox.height + wibox.border_width, top = 0 }
+                wibox:struts { left = 0, right = 0, bottom = wibox.height + 2 * wibox.border_width, top = 0 }
             elseif wprop.position == "left" then
-                wibox:struts { left = wibox.width + wibox.border_width, right = 0, bottom = 0, top = 0 }
+                wibox:struts { left = wibox.width + 2 * wibox.border_width, right = 0, bottom = 0, top = 0 }
             elseif wprop.position == "right" then
-                wibox:struts { left = 0, right = wibox.width + wibox.border_width, bottom = 0, top = 0 }
+                wibox:struts { left = 0, right = wibox.width + 2 * wibox.border_width, bottom = 0, top = 0 }
             end
             break
         end