diff --git a/.changeset/stupid-words-fail.md b/.changeset/stupid-words-fail.md
new file mode 100644
index 0000000000..a16b651f1c
--- /dev/null
+++ b/.changeset/stupid-words-fail.md
@@ -0,0 +1,7 @@
+---
+'@backstage/ui': patch
+---
+
+Fixed missing border styles on table selection cells in multi-select mode.
+
+Affected components: Table
diff --git a/packages/ui/src/components/Table/components/Row.tsx b/packages/ui/src/components/Table/components/Row.tsx
index e08649c63b..6f7a4ce108 100644
--- a/packages/ui/src/components/Table/components/Row.tsx
+++ b/packages/ui/src/components/Table/components/Row.tsx
@@ -47,6 +47,7 @@ export function Row<T extends object>(props: RowProps<T>) {
         <ReactAriaCell
           className={clsx(
             classNames.cellSelection,
+            styles[classNames.cell],
             styles[classNames.cellSelection],
           )}
         >