diff --git a/frontend/ui/widget/confirmbox.lua b/frontend/ui/widget/confirmbox.lua
index 628ae9d3b..4ce1d2c1f 100644
--- a/frontend/ui/widget/confirmbox.lua
+++ b/frontend/ui/widget/confirmbox.lua
@@ -136,6 +136,7 @@ function ConfirmBox:init()
     local frame = FrameContainer:new{
         background = Blitbuffer.COLOR_WHITE,
         margin = self.margin,
+        radius = Size.radius.window,
         padding = self.padding,
         padding_bottom = 0, -- no padding below buttontable
         VerticalGroup:new{
diff --git a/frontend/ui/widget/infomessage.lua b/frontend/ui/widget/infomessage.lua
index 623c3b866..681d9c23a 100644
--- a/frontend/ui/widget/infomessage.lua
+++ b/frontend/ui/widget/infomessage.lua
@@ -145,6 +145,7 @@ function InfoMessage:init()
     end
     local frame = FrameContainer:new{
         background = Blitbuffer.COLOR_WHITE,
+        radius = Size.radius.window,
         HorizontalGroup:new{
             align = "center",
             image_widget,
diff --git a/frontend/ui/widget/multiconfirmbox.lua b/frontend/ui/widget/multiconfirmbox.lua
index d25a060d8..6d9ffcbb4 100644
--- a/frontend/ui/widget/multiconfirmbox.lua
+++ b/frontend/ui/widget/multiconfirmbox.lua
@@ -134,6 +134,7 @@ function MultiConfirmBox:init()
             FrameContainer:new{
                 background = Blitbuffer.COLOR_WHITE,
                 margin = self.margin,
+                radius = Size.radius.window,
                 padding = self.padding,
                 padding_bottom = 0, -- no padding below buttontable
                 VerticalGroup:new{