diff --git a/src/simulation/ngspice_simulator.cpp b/src/simulation/ngspice_simulator.cpp
index d81671bc1..b041ac0ca 100644
--- a/src/simulation/ngspice_simulator.cpp
+++ b/src/simulation/ngspice_simulator.cpp
@@ -82,6 +82,7 @@ void NgSpiceSimulator::init() {
 				m_library.setFileName(library.canonicalFilePath());
 				m_library.load();
 				if( m_library.isLoaded() ) {
+					DebugDialog::debug("Ngspice loaded from " + path);
 					break;
 				} else {
 					DebugDialog::debug("Couldn't load ngspice " + m_library.errorString());
@@ -91,6 +92,11 @@ void NgSpiceSimulator::init() {
 		}
 	}
 
+	if( !m_library.isLoaded() ) {
+		DebugDialog::debug("Couldn't load ngspice " + m_library.errorString());
+		throw std::runtime_error( "Error loading ngspice shared library: " + m_library.errorString().toStdString() );
+	}
+
 	setErrorTitle(std::nullopt);
 
 	std::vector<std::string> symbols{STRFY(ngSpice_Command), STRFY(ngSpice_Init), STRFY(ngSpice_Circ), STRFY(ngGet_Vec_Info)};
diff --git a/src/simulation/simulator.cpp b/src/simulation/simulator.cpp
index b434b2dc1..e3b5cfb79 100644
--- a/src/simulation/simulator.cpp
+++ b/src/simulation/simulator.cpp
@@ -210,7 +210,7 @@ void Simulator::simulate() {
 		m_simulator->init();
 	}
 	catch (std::exception& e) {
-		FMessageBox::warning(nullptr, tr("Simulator Error"), tr("An error occurred when starting the simulation."));
+		FMessageBox::warning(nullptr, tr("Simulator Error"), tr("An error occurred when starting the simulation:\n%1").arg(e.what()));
 		stopSimulation();
 		return;
 	}