diff --git a/classes/context/Context.class.php b/classes/context/Context.class.php
index 84fe5a59a..b0dbf677b 100644
--- a/classes/context/Context.class.php
+++ b/classes/context/Context.class.php
@@ -133,6 +133,10 @@ class Context {
 			);
 		}
 		session_start();
+		if($sess=$_POST[session_name()]) session_id($sess);
+
+		debugPrint($sess);
+		debugPrint(session_id());
 
 		// set authentication information in Context and session
 		if(Context::isInstalled()) {