diff --git a/addons/sale/static/src/scss/sale_portal.scss b/addons/sale/static/src/scss/sale_portal.scss
index 0a967dd9e0b..3316f254eb3 100644
--- a/addons/sale/static/src/scss/sale_portal.scss
+++ b/addons/sale/static/src/scss/sale_portal.scss
@@ -23,6 +23,7 @@
     .js_quantity {
         text-align: center;
         padding: 0;
+        min-width: 48px;
     }
 
     .input-group-text {
@@ -32,4 +33,4 @@
     @include media-breakpoint-down(sm) {
         width: 100%;
     }
-}
\ No newline at end of file
+}