diff --git a/Tests/Suite/GUI/Check.cpp b/Tests/Suite/GUI/Check.cpp
index eea65c277e15c6da77fffe73b8bf5e1fd484ad66..219d58e24dd2ef8ffbe3424df1ea4fe5182c0b99 100644
--- a/Tests/Suite/GUI/Check.cpp
+++ b/Tests/Suite/GUI/Check.cpp
@@ -36,10 +36,10 @@ namespace {
 std::unique_ptr<ISimulation> indirectSimulation(const ISimulation& sim)
 {
     std::unique_ptr<SampleItem> sampleItem(GUI::FromCore::itemizeSample(*sim.sample()));
-    std::unique_ptr<InstrumentModel> instrumentItems(GUI::FromCore::itemizeInstruments(sim));
+    std::unique_ptr<InstrumentModel> instrumentModel(GUI::FromCore::itemizeInstruments(sim));
     std::unique_ptr<SimulationOptionsItem> optionsItem(GUI::FromCore::itemizeOptions(sim));
 
-    return GUI::ToCore::itemsToSimulation(*sampleItem, *instrumentItems->instrumentItems().front(),
+    return GUI::ToCore::itemsToSimulation(*sampleItem, *instrumentModel->instrumentItems().front(),
                                           *optionsItem);
 }