diff --git a/src/DataTable/TableHeader.svelte b/src/DataTable/TableHeader.svelte
index a9c4d9c1..fb32c7b3 100644
--- a/src/DataTable/TableHeader.svelte
+++ b/src/DataTable/TableHeader.svelte
@@ -42,6 +42,7 @@
     on:mouseleave
   >
     <button
+      type="button"
       class:bx--table-sort="{true}"
       class:bx--table-sort--active="{active}"
       class:bx--table-sort--ascending="{active &&