diff --git a/tests/components/fritzbox/__init__.py b/tests/components/fritzbox/__init__.py
index fe7d11068fd..34311c0aa55 100644
--- a/tests/components/fritzbox/__init__.py
+++ b/tests/components/fritzbox/__init__.py
@@ -52,6 +52,8 @@ class FritzEntityBaseMock(Mock):
     manufacturer = CONF_FAKE_MANUFACTURER
     name = CONF_FAKE_NAME
     productname = CONF_FAKE_PRODUCTNAME
+    rel_humidity = None
+    battery_level = None
 
 
 class FritzDeviceBinarySensorMock(FritzEntityBaseMock):