diff --git a/app/soapbox/utils/__tests__/numbers.test.tsx b/app/soapbox/utils/__tests__/numbers.test.tsx
index 63c45b26b..a0edf41fe 100644
--- a/app/soapbox/utils/__tests__/numbers.test.tsx
+++ b/app/soapbox/utils/__tests__/numbers.test.tsx
@@ -10,28 +10,28 @@ test('isIntegerId()', () => {
   expect(isIntegerId('-1764036199')).toBe(true);
   expect(isIntegerId('106801667066418367')).toBe(true);
   expect(isIntegerId('9v5bmRalQvjOy0ECcC')).toBe(false);
-  expect(isIntegerId(null)).toBe(false);
-  expect(isIntegerId(undefined)).toBe(false);
+  expect(isIntegerId(null as any)).toBe(false);
+  expect(isIntegerId(undefined as any)).toBe(false);
 });
 
 describe('shortNumberFormat', () => {
   test('handles non-numbers', () => {
-    render(<div data-testid='num'>{shortNumberFormat('not-number')}</div>, null, null);
+    render(<div data-testid='num'>{shortNumberFormat('not-number')}</div>, undefined, null);
     expect(screen.getByTestId('num')).toHaveTextContent('•');
   });
 
   test('formats numbers under 1,000', () => {
-    render(<div data-testid='num'>{shortNumberFormat(555)}</div>, null, null);
+    render(<div data-testid='num'>{shortNumberFormat(555)}</div>, undefined, null);
     expect(screen.getByTestId('num')).toHaveTextContent('555');
   });
 
   test('formats numbers under 1,000,000', () => {
-    render(<div data-testid='num'>{shortNumberFormat(5555)}</div>, null, null);
+    render(<div data-testid='num'>{shortNumberFormat(5555)}</div>, undefined, null);
     expect(screen.getByTestId('num')).toHaveTextContent('5.6K');
   });
 
   test('formats numbers over 1,000,000', () => {
-    render(<div data-testid='num'>{shortNumberFormat(5555555)}</div>, null, null);
+    render(<div data-testid='num'>{shortNumberFormat(5555555)}</div>, undefined, null);
     expect(screen.getByTestId('num')).toHaveTextContent('5.6M');
   });
 });