diff --git a/libs/components/src/dialog/dialog/dialog.component.html b/libs/components/src/dialog/dialog/dialog.component.html
index fa36add2040..1b252e9332a 100644
--- a/libs/components/src/dialog/dialog/dialog.component.html
+++ b/libs/components/src/dialog/dialog/dialog.component.html
@@ -8,7 +8,7 @@
 >
   <header
     class="tw-flex tw-justify-between tw-items-center tw-gap-4 tw-border-0 tw-border-b tw-border-solid tw-border-secondary-300"
-    [ngClass]="[isDrawer ? 'tw-py-2 tw-px-4' : 'tw-p-4'].flat()"
+    [ngClass]="[isDrawer ? 'tw-py-2 tw-px-4' : 'tw-p-4']"
   >
     <h2
       bitDialogTitleContainer