diff --git a/custom_components/hon/climate.py b/custom_components/hon/climate.py
index 4e910e9..d3763a0 100755
--- a/custom_components/hon/climate.py
+++ b/custom_components/hon/climate.py
@@ -186,7 +186,6 @@ def __init__(self,hass, coordinator, entry, appliance) -> None:
 
         #Not working for Farenheit
         self._attr_temperature_unit         = UnitOfTemperature.CELSIUS # 'tempUnit': '0'
-        #self._attr_target_temperature_step  = PRECISION_WHOLE
 
         self._enable_turn_on_off_backwards_compatibility = False
         self._attr_fan_modes            = [] #[FAN_OFF, FAN_LOW, FAN_MEDIUM, FAN_HIGH, FAN_AUTO]
@@ -200,7 +199,11 @@ def __init__(self,hass, coordinator, entry, appliance) -> None:
 
         # Set Min / Max temperatures
         temp_range = parameters.get('tempSel')
-        self._att_target_temperature_step = float(temp_range.step)
+
+        self._attr_target_temperature_step  = PRECISION_WHOLE
+        if isinstance(temp_range.step, float):
+            self._att_target_temperature_step = temp_range.step
+    
         if isinstance(temp_range, HonParameterRange):
             self._att_min_temp  = temp_range.min
             self._att_max_temp  = temp_range.max
diff --git a/custom_components/hon/manifest.json b/custom_components/hon/manifest.json
index fe64bcd..a7b12e0 100755
--- a/custom_components/hon/manifest.json
+++ b/custom_components/hon/manifest.json
@@ -6,5 +6,5 @@
   "documentation": "https://github.com/gvigroux/hon",
   "iot_class": "cloud_polling",
   "issue_tracker": "https://github.com/gvigroux/hon/issues",
-  "version": "0.7.3"
+  "version": "0.7.4"
 }