diff --git a/src/blackmisc/statusmessage.cpp b/src/blackmisc/statusmessage.cpp
index 2e1023d58..86dca35fc 100644
--- a/src/blackmisc/statusmessage.cpp
+++ b/src/blackmisc/statusmessage.cpp
@@ -102,21 +102,19 @@ namespace BlackMisc
 
     CStatusMessage &CStatusMessage::operator =(const CStatusMessage &other)
     {
-        // locks because of mutable members
         if (this == &other) { return *this; }
 
         static_cast<CMessageBase &>(*this) = other;
+        static_cast<ITimestampBased &>(*this) = other;
+        static_cast<IOrderable &>(*this) = other;
 
+        // locks because of mutable member
         QReadLocker readLock(&other.m_lock);
         const auto handledBy = other.m_handledByObjects;
-        const qint64 ts = other.m_timestampMSecsSinceEpoch;
-        const int order = other.m_order;
         readLock.unlock(); // avoid deadlock
 
         QWriteLocker writeLock(&m_lock);
         m_handledByObjects = handledBy;
-        m_timestampMSecsSinceEpoch = ts;
-        m_order = order;
         return *this;
     }
 
diff --git a/src/blackmisc/statusmessage.h b/src/blackmisc/statusmessage.h
index f5df51ae6..d6d44ca5b 100644
--- a/src/blackmisc/statusmessage.h
+++ b/src/blackmisc/statusmessage.h
@@ -518,7 +518,7 @@ namespace BlackMisc
         CStatusMessage(const CLogCategoryList &categories, StatusSeverity severity, QStringView message, bool validation);
 
         mutable QVector<quintptr> m_handledByObjects;
-        mutable QReadWriteLock    m_lock;  //!< lock (because of mutable members)
+        mutable QReadWriteLock    m_lock;  //!< lock (because of mutable member)
 
         //! \fixme KB 2019-01 order and timestamp "disabled" for Ref T184 token bucket. Would it be better to enable those and use a special comparison function for that (e.g. "equalMessageAndSeverity")?
         BLACK_METACLASS(