diff --git a/ui-ngx/src/app/modules/home/components/widget/action/widget-action-dialog.component.ts b/ui-ngx/src/app/modules/home/components/widget/action/widget-action-dialog.component.ts
index 3eabf71899..bfe14832c4 100644
--- a/ui-ngx/src/app/modules/home/components/widget/action/widget-action-dialog.component.ts
+++ b/ui-ngx/src/app/modules/home/components/widget/action/widget-action-dialog.component.ts
@@ -146,6 +146,7 @@ export class WidgetActionDialogComponent extends DialogComponent<WidgetActionDia
     if (this.widgetActionFormGroup.get('actionSourceId').value === 'headerButton') {
       this.widgetActionFormGroup.get('buttonType').enable({emitEvent: false});
       this.widgetActionFormGroup.get('buttonColor').enable({emitEvent: false});
+      this.widgetActionFormGroup.get('customButtonStyle').enable({emitEvent: false});
       this.widgetHeaderButtonValidators(true);
     }
     this.widgetActionFormGroup.get('actionSourceId').valueChanges.pipe(