diff --git a/src/resources/reports.test.tsx b/src/resources/reports.test.tsx
new file mode 100644
index 0000000..4f4cce0
--- /dev/null
+++ b/src/resources/reports.test.tsx
@@ -0,0 +1,41 @@
+import { render, screen } from "@testing-library/react";
+
+const { mockedDataTableCol, mockedDataTableNumberCol } = vi.hoisted(() => ({
+  mockedDataTableCol: vi.fn(({ source }: { source: string }) => <span data-testid="data-table-col">{source}</span>),
+  mockedDataTableNumberCol: vi.fn(({ source }: { source: string }) => (
+    <span data-testid="data-table-number-col">{source}</span>
+  )),
+}));
+
+vi.mock("react-admin", async importOriginal => {
+  const actual = await importOriginal<typeof import("react-admin")>();
+
+  const mockedDataTable = Object.assign(
+    ({ children }: { children: React.ReactNode }) => <div data-testid="data-table">{children}</div>,
+    {
+      Col: mockedDataTableCol,
+      NumberCol: mockedDataTableNumberCol,
+    }
+  );
+
+  return {
+    ...actual,
+    List: ({ children }: { children: React.ReactNode }) => <div data-testid="list">{children}</div>,
+    DataTable: mockedDataTable,
+  };
+});
+
+import { ReportList } from "./reports";
+
+describe("ReportList", () => {
+  it("uses DataTable columns for the report overview", () => {
+    render(<ReportList />);
+
+    expect(screen.getByTestId("data-table")).toBeTruthy();
+    expect(mockedDataTableCol).toHaveBeenCalledWith(expect.objectContaining({ source: "id" }), undefined);
+    expect(mockedDataTableCol).toHaveBeenCalledWith(expect.objectContaining({ source: "received_ts" }), undefined);
+    expect(mockedDataTableCol).toHaveBeenCalledWith(expect.objectContaining({ source: "user_id" }), undefined);
+    expect(mockedDataTableCol).toHaveBeenCalledWith(expect.objectContaining({ source: "name" }), undefined);
+    expect(mockedDataTableNumberCol).toHaveBeenCalledWith(expect.objectContaining({ source: "score" }), undefined);
+  });
+});
diff --git a/src/resources/reports.tsx b/src/resources/reports.tsx
index b092971..f3cc077 100644
--- a/src/resources/reports.tsx
+++ b/src/resources/reports.tsx
@@ -92,12 +92,10 @@ export const ReportList = (props: ListProps) => (
   <List {...props} pagination={<ReportPagination />} sort={{ field: "received_ts", order: "DESC" }}>
     <DataTable rowClick="show" bulkActionButtons={false}>
       <DataTable.Col source="id" />
-      <DataTable.Col source="received_ts">
-        <DateField source="received_ts" showTime options={DATE_FORMAT} />
-      </DataTable.Col>
+      <DataTable.Col source="received_ts" field={DateField} fieldProps={{ showTime: true, options: DATE_FORMAT }} />
       <DataTable.Col source="user_id" />
+      <DataTable.NumberCol source="score" />
       <DataTable.Col source="name" />
-      <DataTable.Col source="score" />
     </DataTable>
   </List>
 );