diff --git a/robotstxt.php b/robotstxt.php
index 7a789a1..a4838f6 100644
--- a/robotstxt.php
+++ b/robotstxt.php
@@ -74,6 +74,20 @@ class robotstxt
       $this->allow = array ("/");
       return $this;
     }
+
+    // The sitemaps are not restricted to the user-agent
+    foreach (preg_grep ("~Sitemap:\s+~i", $content) as $nb => $line)
+    {
+      $url = $this->getValueFromLine ($line);
+      if (!! filter_var ($url, FILTER_VALIDATE_URL) &&
+           (substr ($url, 0, 7) === "http://" ||
+            substr ($url, 0, 8) === "https://"))
+        $this->sitemaps[] = $url;
+      else
+        $this->errors[$nb] = dgettext ("domframework",
+          "Sitemap : Invalid URL provided");
+    }
+
     // Get the Allow and Disallow lines. The stop will arrive on first
     // User-Agent line arriving after a Allow/Disallow.
     // Comments and empty lines are removed
@@ -82,14 +96,9 @@ class robotstxt
       $line = trim ($content[$i]);
       if (stripos ($line, "Sitemap:") === 0)
       {
-        $url = $this->getValueFromLine ($line);
-        if (!! filter_var ($url, FILTER_VALIDATE_URL) &&
-             (substr ($url, 0, 7) === "http://" ||
-              substr ($url, 0, 8) === "https://"))
-          $this->sitemaps[] = $url;
-        else
-          $this->errors[$i] = dgettext ("domframework",
-            "Sitemap : Invalid URL provided");
+        // Already managed in the general parser. Not needed in the specific
+        // user-agent parser. Must at least be catched to not generate an
+        // error
       }
       elseif (stripos ($line, "Host:") === 0)
       {