diff --git a/source/Ox.UI/js/Map/MapMarker.js b/source/Ox.UI/js/Map/MapMarker.js
index 22ae0b38..5b936f59 100644
--- a/source/Ox.UI/js/Map/MapMarker.js
+++ b/source/Ox.UI/js/Map/MapMarker.js
@@ -259,7 +259,7 @@ Ox.MapMarker = function(options) {
         that.tooltip = Ox.Tooltip({
                 title: '<img src="'
                     + Ox.getFlagByGeoname(that.place.geoname, 16)
-                    + '" style="float: left; margin: 1px 0 1px -1px; border-radius: 4px"/>'
+                    + '" style="float: left; width: 16px; height: 16px; margin: 1px 0 1px -1px; border-radius: 4px"/>'
                     + '<div style="float: left; margin: 4px -1px 0 4px; font-size: 9px;">'
                     + that.map.options('markerTooltip')(that.place) + '</div>'
             })