diff --git a/sbapp/ui/messages.py b/sbapp/ui/messages.py
index 3ded713..0cad39d 100644
--- a/sbapp/ui/messages.py
+++ b/sbapp/ui/messages.py
@@ -698,7 +698,7 @@ Builder.load_string("""
     style: "outlined"
     elevation: 2
     padding: dp(8)
-    radius: [dp(5), dp(5), dp(5), dp(5)]
+    radius: [dp(4), dp(4), dp(4), dp(4)]
     size_hint: 1.0, None
     height: content_text.height + heading_text.height + dp(32)
     pos_hint: {"center_x": .5, "center_y": .5}