diff --git a/plugins/simulator/netlist_simulator_controller/src/simulation_process.cpp b/plugins/simulator/netlist_simulator_controller/src/simulation_process.cpp
index 715c5b7c4df..0ce8485bb6e 100644
--- a/plugins/simulator/netlist_simulator_controller/src/simulation_process.cpp
+++ b/plugins/simulator/netlist_simulator_controller/src/simulation_process.cpp
@@ -253,7 +253,7 @@ namespace hal
         else
         {
             log_warning("simulation_plugin", "No QApplication running, event loop not entered, will poll for process to finish.");
-            if (!mProcess->waitForFinished()) return false;
+            if (!mProcess->waitForFinished(-1)) return false;
             handleReadyReadStandardError();
             handleReadyReadStandardOutput();
         }