diff --git a/php/WebServices/WebServer.php b/php/WebServices/WebServer.php
index 4e42b7c..aa79c78 100644
--- a/php/WebServices/WebServer.php
+++ b/php/WebServices/WebServer.php
@@ -36,7 +36,7 @@ class WebServer
 			$vars = $data;
 		}
 
-		if (isset($vars['userID'])){
+		if (isset($vars['userID']) && !empty($vars['userID'])){
 			$this->userID  = $vars['userID'];
 			IHMConfigClass::setUserName($this->userID);
 		}
--
libgit2 0.21.2