diff --git a/html/pages/health/power.inc.php b/html/pages/health/power.inc.php
index f51eeffd3..bb0390f70 100644
--- a/html/pages/health/power.inc.php
+++ b/html/pages/health/power.inc.php
@@ -1,7 +1,7 @@
 <?php
 
 $graph_type = "sensor_power";
-$unit = "V";
+$unit = "W";
 
 if ($_SESSION['userlevel'] >= '5')
 {