diff --git a/pkgs/servers/home-assistant/default.nix b/pkgs/servers/home-assistant/default.nix
index af49670b9114..95d434460ffc 100644
--- a/pkgs/servers/home-assistant/default.nix
+++ b/pkgs/servers/home-assistant/default.nix
@@ -770,6 +770,7 @@ in with py.pkgs; buildPythonApplication rec {
     "--deselect tests/components/wemo/test_sensor.py::TestInsightCurrentPower::test_state_unavailable"
     # tado/test_climate.py: Tries to connect to my.tado.com
     "--deselect tests/components/tado/test_climate.py::test_air_con"
+    "--deselect tests/components/tado/test_climate.py::test_heater"
     # helpers/test_system_info.py: AssertionError: assert 'Unknown' == 'Home Assistant Container'
     "--deselect tests/helpers/test_system_info.py::test_container_installationtype"
     # tests are located in tests/