diff --git a/packages/core-components/src/components/Select/Select.test.tsx b/packages/core-components/src/components/Select/Select.test.tsx
index 71159150e4..3c05c6bcaf 100644
--- a/packages/core-components/src/components/Select/Select.test.tsx
+++ b/packages/core-components/src/components/Select/Select.test.tsx
@@ -66,4 +66,12 @@ describe('<Select />', () => {
 
     expect(getByTestId('select').textContent).toBe('All results');
   });
+
+  it('should function correctly when a custom data-testid is provided', async () => {
+    const { getByTestId } = render(
+      <Select {...minProps} data-testid="custom-select" />,
+    );
+    const input = getByTestId('custom-select');
+    expect(input.textContent).toBe('All results');
+  });
 });
diff --git a/packages/core-components/src/components/Select/Select.tsx b/packages/core-components/src/components/Select/Select.tsx
index 9c0d4e4dfe..b78693213f 100644
--- a/packages/core-components/src/components/Select/Select.tsx
+++ b/packages/core-components/src/components/Select/Select.tsx
@@ -136,7 +136,7 @@ export type SelectProps = {
   native?: boolean;
   disabled?: boolean;
   margin?: 'dense' | 'none';
-  testid?: string;
+  'data-testid'?: string;
 };
 
 /** @public */
@@ -152,7 +152,7 @@ export function SelectComponent(props: SelectProps) {
     native = false,
     disabled = false,
     margin,
-    testid = 'select',
+    'data-testid': dataTestId = 'select',
   } = props;
   const classes = useStyles();
   const [value, setValue] = useState<SelectedItems>(
@@ -205,7 +205,7 @@ export function SelectComponent(props: SelectProps) {
           value={value}
           native={native}
           disabled={disabled}
-          data-testid={testid}
+          data-testid={dataTestId}
           displayEmpty
           multiple={multiple}
           margin={margin}