diff --git a/plugins/gui/src/graph_widget/graph_context_manager.cpp b/plugins/gui/src/graph_widget/graph_context_manager.cpp
index 2e7c97d34c2..54f1e6fef1b 100644
--- a/plugins/gui/src/graph_widget/graph_context_manager.cpp
+++ b/plugins/gui/src/graph_widget/graph_context_manager.cpp
@@ -685,9 +685,10 @@ namespace hal
                 int visibleFlag = 1; // default to visible before flag was invented
                 if (jsonView.contains("visible"))
                     visibleFlag = jsonView["visible"].toInt();
+
+                u32 viewParentId = 0;
                 if (!jsonView.contains("parentId"))
-                    continue;
-                u32 viewParentId = jsonView["parentId"].toInt();
+                    viewParentId = jsonView["parentId"].toInt();
 
                 BaseTreeItem* viewParent = mContextTreeModel->getRootItem();
 
diff --git a/plugins/netlist_simulator_study/src/netlist_simulator_study.cpp b/plugins/netlist_simulator_study/src/netlist_simulator_study.cpp
index 8852bd26b15..2cf454dac1d 100644
--- a/plugins/netlist_simulator_study/src/netlist_simulator_study.cpp
+++ b/plugins/netlist_simulator_study/src/netlist_simulator_study.cpp
@@ -216,7 +216,15 @@ namespace hal
 
         m_simul_controller.get()->simulate_only_probes(probes);
 
-        m_simul_controller.get()->emit_run_simulation();
+        m_simul_controller.get()->run_simulation();
+
+        while (m_simul_controller.get()->get_simulation_engine()->get_state() > 0)
+        {
+            std::cerr << "simulation running" << std::endl;
+            sleep(1);
+        }
+
+        std::cerr << "simulation result " << (int)  m_simul_controller.get()->get_simulation_engine()->get_state() << std::endl;
 
         return true;
     }
@@ -416,4 +424,4 @@ namespace hal
         }
     }
 
-}    // namespace hal
\ No newline at end of file
+}    // namespace hal