diff --git a/packages/main/src/themes/ToolbarPopover.css b/packages/main/src/themes/ToolbarPopover.css
index aba44a2046d9..27f9f9e24994 100644
--- a/packages/main/src/themes/ToolbarPopover.css
+++ b/packages/main/src/themes/ToolbarPopover.css
@@ -13,9 +13,8 @@
 	width: 100%;
 }
 
-::slotted([slot^="default"])::part(button) {
+::slotted([slot^="default"]) {
 	width: 100%;
-	display: block;
 }
 
 .ui5-tb-popover-item:not(:last-child) {