diff --git a/src/myx/qt/message_logger_default.hpp b/src/myx/qt/message_logger_default.hpp
index 140d0ce..693ad0d 100644
--- a/src/myx/qt/message_logger_default.hpp
+++ b/src/myx/qt/message_logger_default.hpp
@@ -15,7 +15,7 @@ namespace qt {
 class MessageLoggerDefault : public MessageLogger
 {
 public:
-	~MessageLoggerDefault() {};
+	virtual ~MessageLoggerDefault() {};
 
 	void debug( const QMessageLogContext& context, const QString& msg ) override;
 	void info( const QMessageLogContext& context, const QString& msg ) override;
diff --git a/src/myx/qt/message_logger_syslog.hpp b/src/myx/qt/message_logger_syslog.hpp
index 501b928..026a8d1 100644
--- a/src/myx/qt/message_logger_syslog.hpp
+++ b/src/myx/qt/message_logger_syslog.hpp
@@ -16,7 +16,7 @@ class MessageLoggerSyslog : public MessageLogger
 {
 public:
 	MessageLoggerSyslog();
-	~MessageLoggerSyslog();
+	virtual ~MessageLoggerSyslog();
 
 	void debug( const QMessageLogContext& context, const QString& msg ) override;
 	void info( const QMessageLogContext& context, const QString& msg ) override;