diff --git a/apps/desktop/resources/web/index.html b/apps/desktop/resources/web/index.html
index 8f70236..0c35a55 100644
--- a/apps/desktop/resources/web/index.html
+++ b/apps/desktop/resources/web/index.html
@@ -777,8 +777,8 @@ function renderDevices() {
         if (stateData.status === 'fulfilled') {
           const checkbox = document.getElementById('dchk-'+i); 
           if (checkbox) {
-            // stateData.value is the response object, not the boolean
-            const actualState = !!stateData.value;
+            // stateData.value is an object {on: false}, need to access the 'on' property
+            const actualState = !!stateData.value.on;
             checkbox.checked = actualState;
             console.log(`[DWM] Device ${d.host}:${d.port} - BinaryState: ${actualState ? 'ON' : 'OFF'}, Last brightness: ${brightnessData.value?.brightness || 'N/A'}%`);
             console.log(`[DWM] Setting checkbox.checked to: ${actualState}`);