diff --git a/server/static/js/overlays/AbstractIconOverlay.js b/server/static/js/overlays/AbstractIconOverlay.js
index 126e0f3..69ec6e5 100644
--- a/server/static/js/overlays/AbstractIconOverlay.js
+++ b/server/static/js/overlays/AbstractIconOverlay.js
@@ -88,11 +88,11 @@ var AbstractIconOverlay = L.LayerGroup.extend({
       objects.forEach(function(obj){
         var hash = self.hashPos(obj.x, obj.y, obj.z);
         var marker = self.currentObjects[hash];
-        var popup;
+        var popup, icon;
 
         if (marker) {
           //marker exists
-          var icon = self.getIcon(obj);
+          icon = self.getIcon(obj);
 
           if (!icon) {
             //icon does not wanna be displayed anymore
@@ -109,7 +109,7 @@ var AbstractIconOverlay = L.LayerGroup.extend({
 
         } else {
           //marker does not exist
-          var icon = self.getIcon(obj);
+          icon = self.getIcon(obj);
 
           if (!icon) {
             //icon does not want to be displayed
diff --git a/server/static/js/overlays/BorderOverlay.js b/server/static/js/overlays/BorderOverlay.js
index 89f0e7f..d59344d 100644
--- a/server/static/js/overlays/BorderOverlay.js
+++ b/server/static/js/overlays/BorderOverlay.js
@@ -70,7 +70,7 @@ var BorderOverlay = AbstractGeoJsonOverlay.extend({
       coords.push([
         borders[bordername][0].x,
         borders[bordername][0].z
-      ])
+      ]);
 
       var feature = {
         "type":"Feature",
diff --git a/server/static/js/overlays/TrainlineOverlay.js b/server/static/js/overlays/TrainlineOverlay.js
index 361daf9..3d5f9f5 100644
--- a/server/static/js/overlays/TrainlineOverlay.js
+++ b/server/static/js/overlays/TrainlineOverlay.js
@@ -32,7 +32,7 @@ var TrainlineOverlay = AbstractGeoJsonOverlay.extend({
     });
 
     var lines = {}; // { "A1":[] }
-    var lineColors = {} // { "A1": "red" }
+    var lineColors = {}; // { "A1": "red" }
 
     //Sort and add lines
     objects.forEach(function(obj){