diff --git a/ModelOrderReduction_test/ModelOrderReduction_test.cpp b/ModelOrderReduction_test/ModelOrderReduction_test.cpp
index 8fa1d03..6035bbc 100644
--- a/ModelOrderReduction_test/ModelOrderReduction_test.cpp
+++ b/ModelOrderReduction_test/ModelOrderReduction_test.cpp
@@ -26,7 +26,7 @@ namespace sofa {
         /// Create the context for the scene
         void doSetUp() override
         {
-            root = simulation::getSimulation()->createNewGraph("root");
+            root = simulation::MainSimulation::getSimulation()->createNewGraph("root");
         }