diff --git a/homeassistant/components/sensibo/coordinator.py b/homeassistant/components/sensibo/coordinator.py
index 4781250874f..ebdc40f6f12 100644
--- a/homeassistant/components/sensibo/coordinator.py
+++ b/homeassistant/components/sensibo/coordinator.py
@@ -68,7 +68,7 @@ class SensiboDataUpdateCoordinator(DataUpdateCoordinator):
             temperatures_list = (
                 current_capabilities["temperatures"]
                 .get(temperature_unit_key, {})
-                .get("values", [0])
+                .get("values", [0, 1])
             )
             if temperatures_list:
                 temperature_step = temperatures_list[1] - temperatures_list[0]