diff --git a/app/assets/stylesheets/qr-codes.css b/app/assets/stylesheets/qr-codes.css
index 5019bf828..8413daed7 100644
--- a/app/assets/stylesheets/qr-codes.css
+++ b/app/assets/stylesheets/qr-codes.css
@@ -2,5 +2,6 @@
   .qr-code {
     aspect-ratio: 1;
     block-size: 50dvh;
+    border-radius: 1ch;
   }
 }