diff --git a/webclient/room/room-controller.js b/webclient/room/room-controller.js
index 0ffbe8761..52c57856e 100644
--- a/webclient/room/room-controller.js
+++ b/webclient/room/room-controller.js
@@ -253,6 +253,29 @@ angular.module('RoomController', ['ngSanitize', 'mFileInput'])
         var member = $scope.members[user_id];
         if (member) {
             member.powerLevel = matrixService.getUserPowerLevel($scope.room_id, user_id);
+            
+            normaliseMembersPowerLevels();
+        }
+    }
+
+    // Normalise users power levels so that the user with the higher power level
+    // will have a bar covering 100% of the width of his avatar
+    var normaliseMembersPowerLevels = function() {
+        // Find the max power level
+        var maxPowerLevel = 0;
+        for (var i in $scope.members) {
+            var member = $scope.members[i];
+            if (member.powerLevel) {
+                maxPowerLevel = Math.max(maxPowerLevel, member.powerLevel);
+            }
+        }
+
+        // Normalized them on a 0..100% scale to be use in css width
+        if (maxPowerLevel) {
+            for (var i in $scope.members) {
+                var member = $scope.members[i];
+                member.powerLevelNorm = (member.powerLevel * 100) / maxPowerLevel;
+            }
         }
     }
 
diff --git a/webclient/room/room.html b/webclient/room/room.html
index 05e87387a..e29f511ec 100644
--- a/webclient/room/room.html
+++ b/webclient/room/room.html
@@ -24,7 +24,7 @@
                          title="{{ member.id }}"
                          width="80" height="80"/>
                     <img class="userAvatarGradient" src="img/gradient.png" title="{{ member.id }}" width="80" height="24"/>
-                    <div class="userPowerLevel" ng-style="{'width': (10 * member.powerLevel) +'%'}"></div>
+                    <div class="userPowerLevel" ng-style="{'width': member.powerLevelNorm +'%'}"></div>
                     <div class="userName">{{ member.displayname || member.id.substr(0, member.id.indexOf(':')) }}<br/>{{ member.displayname ? "" : member.id.substr(member.id.indexOf(':')) }}</div>
                 </td>
                 <td class="userPresence" ng-class="(member.presence === 'online' ? 'online' : (member.presence === 'unavailable' ? 'unavailable' : '')) + ' ' + (member.membership == 'invite' ? 'invited' : '')">