diff --git a/plugins/xmlsave/src/testsuite/test-xml_serializer.cc b/plugins/xmlsave/src/testsuite/test-xml_serializer.cc
index 98e892c..fee1f66 100644
--- a/plugins/xmlsave/src/testsuite/test-xml_serializer.cc
+++ b/plugins/xmlsave/src/testsuite/test-xml_serializer.cc
@@ -96,22 +96,18 @@ main(int argc, char** argv)
   os2 << ends; // null terminated string
   cout << "dump hist(t2) in print format into os2" << endl;
   
-  // int cmp = strcmp((const char *)os1.str(), (const char *)os2.str());
   cout << "Comparing dump of hist(t1) and hist(t2): " << (os1.str()==os2.str()?"equals":"not equals") << endl;
-  //  cout << "strcmp Comparing dump of hist(t1) and hist(t2): "  << strcmp(os1.str().c_str(), os2.str().c_str()) << endl;
 
   ConcreteHistory hist2;
   xmlser.restore_snapshot(outfile, hist2);
   cout << "create ConcreteHistory hist" << endl;
   cout << "read XML data from file " << outfile << " and put into hist2(t3)"<< endl;
 
-  // cout << "history2 - copy of history " << endl;
   dumpEnvironment(hist2.get_last_environment(), os3);
   os3 << ends; // null terminated string
   cout << "dump hist2(t3) in print format into os3" << endl;
   
   cout << "Comparing dump of hist(t1) and hist2(t3): " << (os1.str()==os3.str()?"equals":"not equals") << endl;
-  // cout << "strcmp Comparing dump of hist(t1) and hist2(t3): "  << strcmp(os1.str().c_str(), os3.str().c_str()) << endl;
 
   xmlser.restore_snapshot(outfile, hist);
   cout << "read XML data from file " << outfile << " and put into hist(t4)"<< endl;
@@ -121,29 +117,6 @@ main(int argc, char** argv)
   cout << "dump hist(t3) in print format into os4" << endl;
   
   cout << "Comparing dump of hist(t1) and hist(t4): " << (os1.str()==os4.str()?"equals":"not equals") << endl;
-  // cout << "strcmp Comparing dump of hist(t1) and hist(t4): "  << strcmp(os1.str().c_str(), os4.str().c_str()) << endl;
-/*
-  cout << "************ REDUMP..." << endl;
-  cout << os1.str() << endl << "**********" << endl;
-  cout << "************ REDUMP..." << endl;
-  cout << os2.str() << endl << "**********" << endl;
-  cout << "************ REDUMP..." << endl;
-  cout << os3.str() << endl << "**********" << endl;
-  cout << "************ REDUMP..." << endl;
-  cout << os4.str() << endl << "**********" << endl;
-
-  cout << "strcmp 1 e 1 "  << strcmp(os1.str().c_str(), os1.str().c_str()) << endl;
-  
-  cout << "strcmp 1 e 2 "  << strcmp(os1.str().c_str(), os2.str().c_str()) << endl;
-  cout << "strcmp 1 e 3 "  << strcmp(os1.str().c_str(), os3.str().c_str()) << endl;
-  cout << "strcmp 1 e 4 "  << strcmp(os1.str().c_str(), os4.str().c_str()) << endl;
-
-  cout << "strcmp 2 e 3 "  << strcmp(os2.str().c_str(), os3.str().c_str()) << endl;
-  cout << "strcmp 2 e 4 "  << strcmp(os2.str().c_str(), os4.str().c_str()) << endl;
-  
-  cout << "strcmp 3 e 4 "  << strcmp(os3.str().c_str(), os4.str().c_str()) << endl;
-  // typedef std::vector<Process*>    Processes;
-*/
   
   int ret = 1;
   if(os1.str()!=os2.str()
diff --git a/plugins/xmlsave/src/xml_serializer_factory.cc b/plugins/xmlsave/src/xml_serializer_factory.cc
index 3ca45ac..40dc241 100644
--- a/plugins/xmlsave/src/xml_serializer_factory.cc
+++ b/plugins/xmlsave/src/xml_serializer_factory.cc
@@ -99,10 +99,14 @@ XMLSerializerFactory::create_resource(Parameters& parameters)
     }
 
     // read "key" property
-    pos = parameters.find(Glib::ustring("key"));
+    pos = parameters.find(Glib::ustring("id"));
     if (pos != parameters.end()) {
-      key = pos->second;
-      string_to_int(key, old_key);
+      Glib::ustring id = key = pos->second;
+      if(id.length()>6 && id.substr(0,6)==Glib::ustring("reskey"))
+      {
+        key = id.substr(6);
+        string_to_int(key, old_key);
+      }
     }
     
     // read "preemptable" property
diff --git a/plugins/xmlsave/src/xml_visitor.cc b/plugins/xmlsave/src/xml_visitor.cc
index a6933b5..d24e484 100644
--- a/plugins/xmlsave/src/xml_visitor.cc
+++ b/plugins/xmlsave/src/xml_visitor.cc
@@ -162,6 +162,7 @@ void XMLVisitor::from_resource(xmlNodePtr parent, const Resource& obj, const Gli
 {
   if(parent!=NULL)
   {
+    Glib::ustring id = "reskey" + key;
     Glib::ustring strPreemptible("false"); // fixed??
     Glib::ustring strArrivalTime("0");     // fixed??
     Glib::ustring strPlaces;
@@ -169,7 +170,7 @@ void XMLVisitor::from_resource(xmlNodePtr parent, const Resource& obj, const Gli
 
     xmlNodePtr process_node = xmlNewChild(parent, NULL, (const xmlChar *) "resource", NULL);
     xmlNewProp(process_node, (const xmlChar *) "name", (const xmlChar *) obj.get_name().c_str());
-    xmlNewProp(process_node, (const xmlChar *) "key", (const xmlChar *) key.c_str());
+    xmlNewProp(process_node, (const xmlChar *) "id", (const xmlChar *) id.c_str());
     xmlNewProp(process_node, (const xmlChar *) "arrival-time", (const xmlChar *) strArrivalTime.c_str());
     xmlNewProp(process_node, (const xmlChar *) "how-many", (const xmlChar *) strPlaces.c_str());
     xmlNewProp(process_node, (const xmlChar *) "pre-emptible", (const xmlChar *) strPreemptible.c_str());