diff --git a/source/Ox.UI/js/Map/Ox.Map.js b/source/Ox.UI/js/Map/Ox.Map.js
index 63f90c49..0e04e13d 100644
--- a/source/Ox.UI/js/Map/Ox.Map.js
+++ b/source/Ox.UI/js/Map/Ox.Map.js
@@ -393,7 +393,7 @@ Ox.Map = function(options, self) {
                 northeast = new google.maps.LatLngBounds(
                     center, bounds.getNorthEast()
                 ).getCenter(),
-                place = Ox.MapPlace({
+                place = new Ox.MapPlace({
                     alternativeNames: [],
                     countryCode: '',
                     editable: true,
@@ -609,12 +609,12 @@ Ox.Map = function(options, self) {
                             i == length - 1 ||
                             canContain(bounds, result.geometry.bounds || result.geometry.viewport)
                         ) {
-                            callback(Ox.MapPlace(parseGeodata(results[i])));
+                            callback(new Ox.MapPlace(parseGeodata(results[i])));
                             return false;
                         }
                     });
                 } else {
-                    callback(Ox.MapPlace(parseGeodata(results[0])));
+                    callback(new Ox.MapPlace(parseGeodata(results[0])));
                 }
             }
             if (
@@ -637,7 +637,7 @@ Ox.Map = function(options, self) {
             address: name
         }, function(results, status) {
             if (status == google.maps.GeocoderStatus.OK) {
-                callback(Ox.MapPlace(parseGeodata(results[0])));
+                callback(new Ox.MapPlace(parseGeodata(results[0])));
             }
             if (
                 status == google.maps.GeocoderStatus.OK ||
@@ -719,7 +719,7 @@ Ox.Map = function(options, self) {
             self.places = [];
             if (!self.isAsync) {
                 self.options.places.forEach(function(place, i) {
-                    self.places[i] = Ox.MapPlace(Ox.extend({
+                    self.places[i] = new Ox.MapPlace(Ox.extend({
                         map: that
                     }, place));
                 });
@@ -806,7 +806,7 @@ Ox.Map = function(options, self) {
                         var place = getPlaceById(item.id);
                         if (!place) {
                             self.places.push(
-                                Ox.MapPlace(Ox.extend({
+                                new Ox.MapPlace(Ox.extend({
                                     map: that
                                 }, item)).add()
                             );
@@ -1023,7 +1023,7 @@ Ox.Map = function(options, self) {
                             ]
                         }
                     }, function(results) {
-                        place = Ox.MapPlace(Ox.extend({
+                        place = new Ox.MapPlace(Ox.extend({
                             map: that
                         }, results.data.items[0])).add();
                         self.places.push(place);
diff --git a/source/Ox.UI/js/Map/Ox.MapMarker.js b/source/Ox.UI/js/Map/Ox.MapMarker.js
index be86e36b..48668a32 100644
--- a/source/Ox.UI/js/Map/Ox.MapMarker.js
+++ b/source/Ox.UI/js/Map/Ox.MapMarker.js
@@ -63,7 +63,7 @@ Ox.MapMarker = function(options) {
                 bounds = bounds.union(that.place.bounds);
                 southWest = bounds.getSouthWest();
                 northEast = bounds.getNorthEast();
-                that.map.newPlace(Ox.MapPlace({
+                that.map.newPlace(new Ox.MapPlace({
                     // fixme: duplicated, see Ox.Map.js
                     alternativeNames: [],
                     countryCode: '',
diff --git a/source/Ox.UI/js/Map/Ox.MapPlace.js b/source/Ox.UI/js/Map/Ox.MapPlace.js
index d46f0e53..352b2891 100644
--- a/source/Ox.UI/js/Map/Ox.MapPlace.js
+++ b/source/Ox.UI/js/Map/Ox.MapPlace.js
@@ -72,13 +72,13 @@ Ox.MapPlace = function(options) {
             {lat: that.north, lng: that.east}
         );
         if (!that.marker) {
-            that.marker = Ox.MapMarker({
+            that.marker = new Ox.MapMarker({
                 color: that.markerColor,
                 map: that.map,
                 place: that,
                 size: that.markerSize
             });
-            that.rectangle = Ox.MapRectangle({
+            that.rectangle = new Ox.MapRectangle({
                 map: that.map,
                 place: that
             });
diff --git a/source/Ox.UI/js/Map/Ox.MapRectangle.js b/source/Ox.UI/js/Map/Ox.MapRectangle.js
index db21baad..fccc1911 100644
--- a/source/Ox.UI/js/Map/Ox.MapRectangle.js
+++ b/source/Ox.UI/js/Map/Ox.MapRectangle.js
@@ -34,7 +34,7 @@ Ox.MapRectangle = function(options, self) {
     markers <a> array of markers
     @*/
     that.markers = Ox.map(that.place.points, function(point, position) {
-        return Ox.MapRectangleMarker({
+        return new Ox.MapRectangleMarker({
             map: that.map,
             place: that.place,
             position: position