diff --git a/custom_components/localtuya/core/tuya_devices/climates.py b/custom_components/localtuya/core/tuya_devices/climates.py
index a84c31f4a..4af3dec0e 100644
--- a/custom_components/localtuya/core/tuya_devices/climates.py
+++ b/custom_components/localtuya/core/tuya_devices/climates.py
@@ -34,7 +34,7 @@
 
 def localtuya_climate(
     hvac_mode_set=None,
-    temp_step=None,
+    temp_step=1,
     actions_set=None,
     echo_value=None,
     preset_set=None,