diff --git a/django/contrib/admin/static/admin/css/responsive.css b/django/contrib/admin/static/admin/css/responsive.css
index b1acdc6febf..48e5114fdfa 100644
--- a/django/contrib/admin/static/admin/css/responsive.css
+++ b/django/contrib/admin/static/admin/css/responsive.css
@@ -558,6 +558,7 @@ input[type="submit"], button {
     .aligned .form-row,
     .aligned .form-row > div {
         display: flex;
+        flex-wrap: wrap;
         max-width: 100vw;
     }
 
diff --git a/docs/releases/3.1.3.txt b/docs/releases/3.1.3.txt
index bfd78a7648e..9c58586f465 100644
--- a/docs/releases/3.1.3.txt
+++ b/docs/releases/3.1.3.txt
@@ -45,3 +45,6 @@ Bugfixes
   :exc:`RestrictedError.restricted_objects <django.db.models.RestrictedError>`
   attributes returned iterators instead of :py:class:`set` of objects
   (:ticket:`32107`).
+
+* Fixed a regression in Django 3.1.2 that caused incorrect form input layout on
+  small screens in the admin change form view (:ticket:`32069`).