Index: trunk/kernel/include/usersession.php
===================================================================
diff -u -N -r5185 -r5218
--- trunk/kernel/include/usersession.php	(.../usersession.php)	(revision 5185)
+++ trunk/kernel/include/usersession.php	(.../usersession.php)	(revision 5218)
@@ -1004,17 +1004,19 @@
             {
                 $g = $Groups[$i];
                 if(strlen($g)>0)
-                  $acl_where[] = "(FIND_IN_SET($g,acl) OR ((NOT FIND_IN_SET($g,dacl)) AND acl='')) ";
+                  $acl_where[] = "FIND_IN_SET($g,acl) ";
             }
             if(count($acl_where))
             {
                 $acl_where = "(".implode(" OR ",$acl_where).")";
             }
-            else
-                $acl_where = "(FIND_IN_SET(0,acl))";
+            else {
+                $acl_where = "FIND_IN_SET(0,acl)";
+            }
         }
-        else
-            $acl_where = "(FIND_IN_SET(0,acl))";
+        else {
+            $acl_where = "FIND_IN_SET(0,acl)";
+        }
         return $acl_where;
     }