diff --git a/frontend/src/lib/auth/SignupForm.test.ts b/frontend/src/lib/auth/SignupForm.test.ts
index 842200f..897579d 100644
--- a/frontend/src/lib/auth/SignupForm.test.ts
+++ b/frontend/src/lib/auth/SignupForm.test.ts
@@ -175,6 +175,25 @@ describe('SignupForm', () => {
 		expect(screen.getByText('Mindestens 8 Zeichen')).toBeInTheDocument();
 	});
 
+	it.each([
+		{ length: 7, shouldFail: true },
+		{ length: 8, shouldFail: false }
+	])('password with $length chars $shouldFail ? fails : passes validation', async ({ length, shouldFail }) => {
+		const user = userEvent.setup();
+		render(SignupForm);
+
+		await user.type(screen.getByLabelText('Dein Name'), 'Sarah');
+		await user.type(screen.getByLabelText('E-Mail'), 'test@example.com');
+		await user.type(screen.getByLabelText('Passwort'), 'a'.repeat(length));
+		await user.click(screen.getByRole('button', { name: /konto erstellen/i }));
+
+		if (shouldFail) {
+			expect(screen.getByText('Mindestens 8 Zeichen')).toBeInTheDocument();
+		} else {
+			expect(screen.queryByText('Mindestens 8 Zeichen')).not.toBeInTheDocument();
+		}
+	});
+
 	it('renders placeholders on inputs', () => {
 		render(SignupForm);
 		expect(screen.getByPlaceholderText('z.B. Sarah')).toBeInTheDocument();