diff --git a/public/sitemap.php b/public/sitemap.php
index 1e1e6a0..35d0a4f 100644
--- a/public/sitemap.php
+++ b/public/sitemap.php
@@ -17,7 +17,7 @@ echo '<?xml version="1.0" encoding="UTF-8"?>'."\n".
 
 // URL della home page
 echo "<url>";
-echo "<loc>$baseurl/index.php"."</loc>";
+echo "<loc>{$baseurl}index.php"."</loc>";
 echo "<changefreq>hourly</changefreq>";
 echo "<priority>1</priority>";
 echo "</url>";
@@ -26,7 +26,7 @@ echo "</url>";
 foreach (NotiziaModel::$NOTIZIE_CATEGORY as $category=>$data){
 	if(($data["mainMenu"]) && !$data["hidden"]){
 		echo "<url>";
-		echo "<loc>$baseurl/categorySummary.php?category=".$category."</loc>";
+		echo "<loc>{$baseurl}categorySummary.php?category=".$category."</loc>";
 		echo "<changefreq>hourly</changefreq>";
 		echo "<priority>1</priority>";
 		echo "</url>";
@@ -37,8 +37,8 @@ foreach (NotiziaModel::$NOTIZIE_CATEGORY as $category=>$data){
 foreach(NotiziaModel::$NOTIZIE_CATEGORY as $category=>$data){
 	if(!$data["mainMenu"] && !$data["hidden"]){
 		echo "<url>";
-		echo "<loc>$baseurl/categorySummary.php?category=".$category."</loc>";
-		echo "<changefreq>yearly</changefreq>";
+		echo "<loc>{$baseurl}categorySummary.php?category=".$category."</loc>";
+		echo "<changefreq>hourly</changefreq>";
 		echo "<priority>0.7</priority>";
 		echo "</url>";
 	}
@@ -52,7 +52,7 @@ $latestNews = GlobalVariables::get("dao")->query("NotiziaModel",
 if (sizeof($latestArticles)>0){
 	foreach ($latestArticles as $article){
 		echo "<url>";
-		echo "<loc>$baseurl/articolo.php?id=".$article->id."</loc>";
+		echo "<loc>{$baseurl}articolo.php?id=".$article->id."</loc>";
 		echo "<changefreq>monthly</changefreq>";
 		echo "<priority>0.3</priority>";
 		echo "</url>";