diff --git a/frontend/less/espo/custom.less b/frontend/less/espo/custom.less
index 03fd9db3e7..0beeb8e1f5 100644
--- a/frontend/less/espo/custom.less
+++ b/frontend/less/espo/custom.less
@@ -23,7 +23,6 @@ html {
 #main > .calendar-container .timeline,
 .well,
 .admin-content .table.table-admin-panel,
-.admin-content iframe,
 .list-group-panel,
 .popup-notification {
     box-shadow: var(--default-box-shadow);
@@ -3415,6 +3414,7 @@ table.table-admin-panel {
 
 .admin-panel-iframe-container {
     border: var(--panel-border-width) solid var(--panel-default-border);
+    border-radius: var(--panel-border-radius);
 
     > h4 {
         padding: var(--padding-base-vertical) var(--padding-base-horizontal);