diff --git a/app/assets/javascripts/angularjs/controllers/statistics_controller.js.coffee b/app/assets/javascripts/angularjs/controllers/statistics_controller.js.coffee
index 9e0144eb8..b9345e143 100644
--- a/app/assets/javascripts/angularjs/controllers/statistics_controller.js.coffee
+++ b/app/assets/javascripts/angularjs/controllers/statistics_controller.js.coffee
@@ -114,7 +114,7 @@ RosaABF.controller 'StatisticsController', ['$scope', '$http', '$timeout', ($sco
           d.y
 
         dataset =
-          fillColor:        "rgba(#{ $scope.colors[index] }, 0.5)"
+          fillColor:        "rgba(#{ $scope.colors[index] }, 0.1)"
           strokeColor:      "rgba(#{ $scope.colors[index] }, 1)"
           pointColor:       "rgba(#{ $scope.colors[index] }, 1)"
           pointStrokeColor: "#fff"