diff --git a/dse/bpmn/org.eclipse.viatra.dse.examples.bpmn.dse/src/org/eclipse/viatra/dse/examples/bpmn/problems/BpmnProblemSaver.java b/dse/bpmn/org.eclipse.viatra.dse.examples.bpmn.dse/src/org/eclipse/viatra/dse/examples/bpmn/problems/BpmnProblemSaver.java
index 6761357..07085f0 100644
--- a/dse/bpmn/org.eclipse.viatra.dse.examples.bpmn.dse/src/org/eclipse/viatra/dse/examples/bpmn/problems/BpmnProblemSaver.java
+++ b/dse/bpmn/org.eclipse.viatra.dse.examples.bpmn.dse/src/org/eclipse/viatra/dse/examples/bpmn/problems/BpmnProblemSaver.java
@@ -26,19 +26,19 @@
         SimplifiedBPMN root;
 
         root = BpmnProblems.createOneTaskProblem(false);
-        EMFHelper.serializeModel(root, "onetask", "sbpmn");
+        EMFHelper.saveModel(root, "onetask.sbpmn");
 
         root = BpmnProblems.create3TaskProblem(false);
-        EMFHelper.serializeModel(root, "threetask", "sbpmn");
+        EMFHelper.saveModel(root, "threetask.sbpmn");
 
         root = BpmnProblems.createWebShopProblem();
-        EMFHelper.serializeModel(root, "webshop", "sbpmn");
+        EMFHelper.saveModel(root, "webshop.sbpmn");
 
         root = BpmnProblems.createInvoiceProblem(false);
-        EMFHelper.serializeModel(root, "invoice", "sbpmn");
+        EMFHelper.saveModel(root, "invoice.sbpmn");
 
         root = BpmnProblems.createBookProblem(false);
-        EMFHelper.serializeModel(root, "book", "sbpmn");
+        EMFHelper.saveModel(root, "book.sbpmn");
 
     }