diff --git a/src/exceptions/BaseException.h b/src/exceptions/BaseException.h
index 1f61c8338..cfba4218e 100644
--- a/src/exceptions/BaseException.h
+++ b/src/exceptions/BaseException.h
@@ -7,6 +7,7 @@
 namespace mrmc {
 namespace exceptions {
 
+template<typename E>
 class BaseException : public std::exception
 {
 	public:
@@ -19,10 +20,10 @@ class BaseException : public std::exception
 		~BaseException() throw() { }
 		
 		template<class T>
-		BaseException& operator<<(const T& var)
+		E& operator<<(const T& var)
 		{
 			this->stream << var;
-			return *this;
+			return * dynamic_cast<E*>(this);
 		}
 		
 		virtual const char* what() const throw()
diff --git a/src/exceptions/InvalidSettings.h b/src/exceptions/InvalidSettings.h
index 2e34a7419..0ac7b14b8 100644
--- a/src/exceptions/InvalidSettings.h
+++ b/src/exceptions/InvalidSettings.h
@@ -6,7 +6,7 @@
 namespace mrmc {
 namespace exceptions {
 
-class InvalidSettings : public BaseException
+class InvalidSettings : public BaseException<InvalidSettings>
 {
 };
 
diff --git a/src/mrmc.cpp b/src/mrmc.cpp
index 063d2643c..d01191f00 100644
--- a/src/mrmc.cpp
+++ b/src/mrmc.cpp
@@ -76,7 +76,7 @@ int main(const int argc, const char* argv[]) {
 	try {
 		mrmc::settings::Settings::registerModule<mrmc::modelChecker::GmmxxDtmcPrctlModelChecker<double> >();
 		s = mrmc::settings::newInstance(argc, argv, nullptr);
-	} catch (mrmc::exceptions::InvalidSettings& e) {
+	} catch (mrmc::exceptions::InvalidSettings e) {
 		LOG4CPLUS_FATAL(logger, "InvalidSettings error: " << e.what());
 		LOG4CPLUS_FATAL(logger, "Could not recover from settings error, terminating.");
 		std::cout << "Could not recover from settings error: " << e.what() << std::endl;