diff --git a/lib/sessions.rb b/lib/sessions.rb
index 86b83c41b..925b2eef2 100644
--- a/lib/sessions.rb
+++ b/lib/sessions.rb
@@ -479,7 +479,7 @@ returns
         next if !session_data
         next if !session_data[:user]
         next if !session_data[:user]['id']
-        user = User.lookup( session_data[:user]['id'] )
+        user = User.lookup( :id => session_data[:user]['id'] )
         next if !user
 
         # start client thread
diff --git a/lib/sessions/client.rb b/lib/sessions/client.rb
index a0c866517..24bb832f1 100644
--- a/lib/sessions/client.rb
+++ b/lib/sessions/client.rb
@@ -27,8 +27,8 @@ class Sessions::Client
       session_data = Sessions.get( @client_id )
       return if !session_data
       return if !session_data[:user]
-      return if !session_data[:user][:id]
-      user = User.lookup( :id => session_data[:user][:id] )
+      return if !session_data[:user]['id']
+      user = User.lookup( :id => session_data[:user]['id'] )
       return if !user
 
       # init new backends
diff --git a/test/unit/session_enhanced_test.rb b/test/unit/session_enhanced_test.rb
index a40410e9c..18f96c7db 100644
--- a/test/unit/session_enhanced_test.rb
+++ b/test/unit/session_enhanced_test.rb
@@ -83,17 +83,17 @@ class SessionEnhancedTest < ActiveSupport::TestCase
     data = Sessions.get(client_id1)
     assert( data[:meta], "check if meta exists" )
     assert( data[:user], "check if user exists" )
-    assert_equal( data[:user][:id], agent1.id, "check if user id is correct" )
+    assert_equal( data[:user]['id'], agent1.id, "check if user id is correct" )
 
     data = Sessions.get(client_id2)
     assert( data[:meta], "check if meta exists" )
     assert( data[:user], "check if user exists" )
-    assert_equal( data[:user][:id], agent2.id, "check if user id is correct" )
+    assert_equal( data[:user]['id'], agent2.id, "check if user id is correct" )
 
     data = Sessions.get(client_id3)
     assert( data[:meta], "check if meta exists" )
     assert( data[:user], "check if user exists" )
-    assert_equal( data[:user][:id], agent3.id, "check if user id is correct" )
+    assert_equal( data[:user]['id'], agent3.id, "check if user id is correct" )
 
     # send data to one client
     Sessions.send( client_id1, { :msg => 'äöüß123' } )