diff --git a/htdocs/map.js b/htdocs/map.js
index 70abae7c..6a1c7793 100644
--- a/htdocs/map.js
+++ b/htdocs/map.js
@@ -43,7 +43,7 @@ $(function(){
     var colorKeys = {};
     var colorScale = chroma.scale(['red', 'blue', 'green']).mode('hsl');
     var getColor = function(id){
-        if (!id) return "#ffffff10";
+        if (!id) return "#ffffff00";
         if (!colorKeys[id]) {
             var keys = Object.keys(colorKeys);
             keys.push(id);