diff --git a/front/src/actions/device.js b/front/src/actions/device.js
index dd2b183813..f2845bbdd3 100644
--- a/front/src/actions/device.js
+++ b/front/src/actions/device.js
@@ -54,7 +54,7 @@ function createActions(store) {
               [deviceIndex]: {
                 features: {
                   [deviceFeatureIndex]: {
-                    lastValue: {
+                    last_value: {
                       $set: value
                     }
                   }
diff --git a/front/src/components/boxs/device-in-room/device-features/BrightnessDeviceFeature.jsx b/front/src/components/boxs/device-in-room/device-features/BrightnessDeviceFeature.jsx
index 971f0958bc..9e12c9603d 100644
--- a/front/src/components/boxs/device-in-room/device-features/BrightnessDeviceFeature.jsx
+++ b/front/src/components/boxs/device-in-room/device-features/BrightnessDeviceFeature.jsx
@@ -10,7 +10,7 @@ const BrightnessDeviceType = ({ children, ...props }) => {
       props.deviceIndex,
       props.deviceFeatureIndex,
       e.target.value,
-      props.deviceFeature.lastValue
+      props.deviceFeature.last_value
     );
   }
 
@@ -27,7 +27,7 @@ const BrightnessDeviceType = ({ children, ...props }) => {
               minHeight: '30px'
             }}
             type="range"
-            value={props.deviceFeature.lastValue}
+            value={props.deviceFeature.last_value}
             onChange={updateValue}
             class="form-control custom-range"
             step="1"
diff --git a/front/src/components/boxs/device-in-room/device-features/MultiLevelDeviceFeature.jsx b/front/src/components/boxs/device-in-room/device-features/MultiLevelDeviceFeature.jsx
index 1f96d9acda..ba1f7d7baf 100644
--- a/front/src/components/boxs/device-in-room/device-features/MultiLevelDeviceFeature.jsx
+++ b/front/src/components/boxs/device-in-room/device-features/MultiLevelDeviceFeature.jsx
@@ -10,7 +10,7 @@ const MultiLevelDeviceType = ({ children, ...props }) => {
       props.deviceIndex,
       props.deviceFeatureIndex,
       e.target.value,
-      props.deviceFeature.lastValue
+      props.deviceFeature.last_value
     );
   }
 
@@ -36,7 +36,7 @@ const MultiLevelDeviceType = ({ children, ...props }) => {
               minHeight: '30px'
             }}
             type="range"
-            value={props.deviceFeature.lastValue}
+            value={props.deviceFeature.last_value}
             onChange={updateValue}
             class="form-control custom-range"
             step="1"