diff --git a/interface/lib/app.inc.php b/interface/lib/app.inc.php
index 82b32bf88f921ebaa1d4d5c20b69bd881f3b3edf..e70922a35339b0ee40eff8cb0fd059607aa26440 100644
--- a/interface/lib/app.inc.php
+++ b/interface/lib/app.inc.php
@@ -186,7 +186,11 @@ class app {
     public function tpl_defaults()
     {	
 		$this->tpl->setVar('app_title', $this->_conf['app_title']);
-		$this->tpl->setVar('app_version', $this->_conf['app_version']);
+		if(isset($_SESSION['s']['user'])) {
+			$this->tpl->setVar('app_version', $this->_conf['app_version']);
+		} else {
+			$this->tpl->setVar('app_version', '');
+		}
 		$this->tpl->setVar('app_link', $this->_conf['app_link']);
 		if(isset($this->_conf['app_logo']) && $this->_conf['app_logo'] != '' && @is_file($this->_conf['app_logo'])){
 			$this->tpl->setVar('app_logo', '<img src="'.$this->_conf['app_logo'].'">');
@@ -218,4 +222,4 @@ class app {
 //* possible future =  new app($conf);
 $app = new app();
 
-?>
+?>
\ No newline at end of file