diff --git a/tests/components/balboa/conftest.py b/tests/components/balboa/conftest.py
index 18639b0c9be..7678a97305e 100644
--- a/tests/components/balboa/conftest.py
+++ b/tests/components/balboa/conftest.py
@@ -66,6 +66,7 @@ def client_fixture() -> Generator[MagicMock]:
         client.heat_state = 2
         client.lights = []
         client.pumps = []
+        client.temperature_range.client = client
         client.temperature_range.state = LowHighRange.LOW
 
         client.fault = None