diff --git a/components/lib/datatable/DataTableBase.js b/components/lib/datatable/DataTableBase.js
index 96dcf12ac4..7ac9e31ea6 100644
--- a/components/lib/datatable/DataTableBase.js
+++ b/components/lib/datatable/DataTableBase.js
@@ -56,7 +56,7 @@ const styles = `
     .p-datatable-scrollable-table > .p-datatable-thead {
         position: sticky;
         top: 0;
-        z-index: 1;
+        z-index: 2;
     }
 
     .p-datatable.p-datatable-gridlines .p-datatable-scrollable-table > .p-datatable-thead {