diff --git a/src/clients/weather/openmeteo.spec.ts b/src/clients/weather/openmeteo.spec.ts
index 7b2875d..0c17be6 100644
--- a/src/clients/weather/openmeteo.spec.ts
+++ b/src/clients/weather/openmeteo.spec.ts
@@ -7,8 +7,8 @@ describe('createOpenmeteoClient', () => {
             latitude: 52.28,
             longitude: 10.52,
         });
-        expect(result.apparentTemperature).toMatch(/^\d+(\.?\d+)?°C$/);
-        expect(result.temperature).toMatch(/^\d+(\.?\d+)?°C$/);
+        expect(result.apparentTemperature).toMatch(/^-?\d+(\.?\d+)?°C$/);
+        expect(result.temperature).toMatch(/^-?\d+(\.?\d+)?°C$/);
         expect(result.relativeHumidity).toMatch(/^\d+%$/);
 
         // Just to make sure that the returned weather seems to be reasonable