diff --git a/winixd/core/log.cpp b/winixd/core/log.cpp
index 4fb34e7..62d8451 100644
--- a/winixd/core/log.cpp
+++ b/winixd/core/log.cpp
@@ -5,7 +5,7 @@
  */
 
 /* 
- * Copyright (c) 2008-2019, Tomasz Sowa
+ * Copyright (c) 2008-2022, Tomasz Sowa
  * All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
@@ -252,7 +252,14 @@ Log & Log::operator<<(LogManipulators m)
 		break;
 	}
 
-return *this;
+	return *this;
+}
+
+
+Log & Log::operator<<(pt::Log::Manipulators m)
+{
+	pt::Log::operator<<(m);
+	return *this;
 }
 
 
diff --git a/winixd/core/log.h b/winixd/core/log.h
index bde617b..7b8adb4 100644
--- a/winixd/core/log.h
+++ b/winixd/core/log.h
@@ -5,7 +5,7 @@
  */
 
 /* 
- * Copyright (c) 2008-2019, Tomasz Sowa
+ * Copyright (c) 2008-2022, Tomasz Sowa
  * All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
@@ -79,6 +79,7 @@ public:
 	virtual Log & operator<<(double s);
 	virtual Log & operator<<(const pt::Space & space);
 	virtual Log & operator<<(LogManipulators m);
+	virtual Log & operator<<(pt::Log::Manipulators m);
 	virtual Log & operator<<(const pt::Date & date);
 	virtual Log & operator<<(morm::Model & model);