diff --git a/include/spdlog/sinks/qt_sinks.h b/include/spdlog/sinks/qt_sinks.h
index d61c6bec..e4d03365 100644
--- a/include/spdlog/sinks/qt_sinks.h
+++ b/include/spdlog/sinks/qt_sinks.h
@@ -17,6 +17,7 @@
 #include "spdlog/details/synchronous_factory.h"
 #include "spdlog/sinks/base_sink.h"
 
+#include <QMetaMethod>
 #include <QTextEdit>
 #include <QPlainTextEdit>
 
@@ -29,10 +30,17 @@ template<typename Mutex>
 class qt_sink : public base_sink<Mutex>
 {
 public:
-    qt_sink(QObject *qt_object, const std::string &meta_method)
+    qt_sink(QObject *qt_object, const std::string &meta_method_name)
     {
+        // store the meta method object for later usage
         qt_object_ = qt_object;
-        meta_method_ = meta_method;
+        const QMetaObject *metaobject = qt_object_->metaObject();
+        qt_object_->dumpObjectInfo();
+        int methodIndex = metaobject->indexOfMethod(meta_method_name.c_str());
+        if (methodIndex == -1) {
+            throw_spdlog_ex("qt_sink: qt_object does not have meta_method " + meta_method_name);
+        }
+        meta_method_ = metaobject->method(methodIndex);
     }
 
     ~qt_sink()
@@ -46,15 +54,15 @@ protected:
         memory_buf_t formatted;
         base_sink<Mutex>::formatter_->format(msg, formatted);
         string_view_t str = string_view_t(formatted.data(), formatted.size());
-        QMetaObject::invokeMethod(qt_object_, meta_method_.c_str(), Qt::AutoConnection,
-            Q_ARG(QString, QString::fromUtf8(str.data(), static_cast<int>(str.size())).trimmed()));
+        auto payload = QString::fromUtf8(str.data(), static_cast<int>(str.size())).trimmed();
+        meta_method_.invoke(qt_object_, Qt::AutoConnection, Q_ARG(QString, payload));
     }
 
     void flush_() override {}
 
 private:
     QObject *qt_object_ = nullptr;
-    std::string meta_method_;
+    QMetaMethod meta_method_;
 };
 
 #include "spdlog/details/null_mutex.h"
@@ -67,27 +75,27 @@ using qt_sink_st = qt_sink<spdlog::details::null_mutex>;
 // Factory functions
 //
 template<typename Factory = spdlog::synchronous_factory>
-inline std::shared_ptr<logger> qt_logger_mt(const std::string &logger_name, QTextEdit *qt_object, const std::string &meta_method = "append")
+inline std::shared_ptr<logger> qt_logger_mt(const std::string &logger_name, QTextEdit *qt_object, const std::string &meta_method = "append(QString)")
 {
     return Factory::template create<sinks::qt_sink_mt>(logger_name, qt_object, meta_method);
 }
 
 template<typename Factory = spdlog::synchronous_factory>
-inline std::shared_ptr<logger> qt_logger_st(const std::string &logger_name, QTextEdit *qt_object, const std::string &meta_method = "append")
+inline std::shared_ptr<logger> qt_logger_st(const std::string &logger_name, QTextEdit *qt_object, const std::string &meta_method = "append(QString)")
 {
     return Factory::template create<sinks::qt_sink_st>(logger_name, qt_object, meta_method);
 }
 
 template<typename Factory = spdlog::synchronous_factory>
 inline std::shared_ptr<logger> qt_logger_mt(
-    const std::string &logger_name, QPlainTextEdit *qt_object, const std::string &meta_method = "appendPlainText")
+    const std::string &logger_name, QPlainTextEdit *qt_object, const std::string &meta_method = "appendPlainText(QString)")
 {
     return Factory::template create<sinks::qt_sink_mt>(logger_name, qt_object, meta_method);
 }
 
 template<typename Factory = spdlog::synchronous_factory>
 inline std::shared_ptr<logger> qt_logger_st(
-    const std::string &logger_name, QPlainTextEdit *qt_object, const std::string &meta_method = "appendPlainText")
+    const std::string &logger_name, QPlainTextEdit *qt_object, const std::string &meta_method = "appendPlainText(QString)")
 {
     return Factory::template create<sinks::qt_sink_st>(logger_name, qt_object, meta_method);
 }