diff --git a/webadmin/src/theme.scss b/webadmin/src/theme.scss
index ef1ec1050..3208accab 100644
--- a/webadmin/src/theme.scss
+++ b/webadmin/src/theme.scss
@@ -210,6 +210,12 @@ html {
     top: 0;
 }
 
+.app-postinstall-message {
+    max-height: 500px;
+    overflow-x: none;
+    overflow-y: auto;
+}
+
 // ----------------------------
 // Appstore view
 // ----------------------------
diff --git a/webadmin/src/views/apps.html b/webadmin/src/views/apps.html
index be75b1164..068c217a3 100644
--- a/webadmin/src/views/apps.html
+++ b/webadmin/src/views/apps.html
@@ -211,7 +211,7 @@
                 <h4 class="modal-title">Using {{ appPostInstall.app.fqdn }}</h4>
             </div>
             <div class="modal-body">
-                <div class="appstore-install-description">
+                <div class="app-postinstall-message">
                     <div ng-bind-html="appPostInstall.message | markdown2html"></div>
                 </div>
             </div>