diff --git a/core/src/index_shared.php b/core/src/index_shared.php
index ddf2cfa987..6e37553617 100644
--- a/core/src/index_shared.php
+++ b/core/src/index_shared.php
@@ -24,5 +24,5 @@
     $h = $_GET['minisite_session'];
 }
 
-session_name("AjaXplorer_Shared".$h);
+session_name("AjaXplorer_Shared".str_replace(".","_",$h));
 include("index.php");
diff --git a/core/src/plugins/action.share/class.ShareCenter.php b/core/src/plugins/action.share/class.ShareCenter.php
index 2269ad24e4..c917d909b4 100644
--- a/core/src/plugins/action.share/class.ShareCenter.php
+++ b/core/src/plugins/action.share/class.ShareCenter.php
@@ -978,9 +978,9 @@ public function initPublicFolder($downloadFolder)
         RewriteBase '.$path.'
         RewriteCond %{REQUEST_FILENAME} !-f
         RewriteCond %{REQUEST_FILENAME} !-d
-        RewriteRule ^([a-zA-Z0-9_-]+)\.php$ share.php?hash=$1 [QSA]
-        RewriteRule ^([a-zA-Z0-9_-]+)--([a-z]+)$ share.php?hash=$1&lang=$2 [QSA]
-        RewriteRule ^([a-zA-Z0-9_-]+)$ share.php?hash=$1 [QSA]
+        RewriteRule ^([.a-zA-Z0-9_-]+)\.php$ share.php?hash=$1 [QSA]
+        RewriteRule ^([.a-zA-Z0-9_-]+)--([a-z]+)$ share.php?hash=$1&lang=$2 [QSA]
+        RewriteRule ^([.a-zA-Z0-9_-]+)$ share.php?hash=$1 [QSA]
         </IfModule>
         ';
         file_put_contents($downloadFolder."/.htaccess", $htaccessContent);
@@ -1051,7 +1051,7 @@ public static function loadMinisite($data, $hash = '', $error = null)
         if(isSet($_GET["dl"]) && isSet($_GET["file"])){
             AuthService::$useSession = false;
         }else{
-            session_name("AjaXplorer_Shared".$hash);
+            session_name("AjaXplorer_Shared".str_replace(".","_",$hash));
             session_start();
             AuthService::disconnect();
         }