diff --git a/web/skins/classic/css/classic/views/zone.css b/web/skins/classic/css/classic/views/zone.css
index 897ee50ee..a637787d5 100644
--- a/web/skins/classic/css/classic/views/zone.css
+++ b/web/skins/classic/css/classic/views/zone.css
@@ -52,15 +52,15 @@
 }
 
 #imageFrame div {
-    background-image: url(../../../graphics/point-g.gif);
+    background-image: url(../../../graphics/point-g.png);
 }
 
 #imageFrame div.highlight {
-    background-image: url(../../../graphics/point-o.gif);
+    background-image: url(../../../graphics/point-o.png);
 }
 
 #imageFrame div.active {
-    background-image: url(../../../graphics/point-r.gif);
+    background-image: url(../../../graphics/point-r.png);
 }
 
 #zonePoints {
diff --git a/web/skins/classic/css/dark/views/zone.css b/web/skins/classic/css/dark/views/zone.css
index 884c8dbe0..7d81d731b 100644
--- a/web/skins/classic/css/dark/views/zone.css
+++ b/web/skins/classic/css/dark/views/zone.css
@@ -52,15 +52,15 @@
 }
 
 #imageFrame div {
-    background-image: url(../../../graphics/point-g.gif);
+    background-image: url(../../../graphics/point-g.png);
 }
 
 #imageFrame div.highlight {
-    background-image: url(../../../graphics/point-o.gif);
+    background-image: url(../../../graphics/point-o.png);
 }
 
 #imageFrame div.active {
-    background-image: url(../../../graphics/point-r.gif);
+    background-image: url(../../../graphics/point-r.png);
 }
 
 #zonePoints {
diff --git a/web/skins/classic/css/flat/views/zone.css b/web/skins/classic/css/flat/views/zone.css
index 54ea4eabf..fbf85b1db 100644
--- a/web/skins/classic/css/flat/views/zone.css
+++ b/web/skins/classic/css/flat/views/zone.css
@@ -52,15 +52,15 @@
 }
 
 #imageFrame div {
-    background-image: url(../../../graphics/point-g.gif);
+    background-image: url(../../../graphics/point-g.png);
 }
 
 #imageFrame div.highlight {
-    background-image: url(../../../graphics/point-o.gif);
+    background-image: url(../../../graphics/point-o.png);
 }
 
 #imageFrame div.active {
-    background-image: url(../../../graphics/point-r.gif);
+    background-image: url(../../../graphics/point-r.png);
 }
 
 #zonePoints {