diff --git a/src/css/app.scss b/src/css/app.scss
index 19429f17..1c5588b4 100644
--- a/src/css/app.scss
+++ b/src/css/app.scss
@@ -202,6 +202,10 @@ html {
   background-color: hsla(var(--customer-pers) / 0.2) !important;
 }
 
+@page {
+  size: a4 portrait;
+}
+
 @media print {
   .no-print {
     display: none;