diff --git a/include/DefaultLogger.h b/include/DefaultLogger.h
index 6cdd5e850..dd756d0f2 100644
--- a/include/DefaultLogger.h
+++ b/include/DefaultLogger.h
@@ -41,7 +41,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #if (!defined AI_DEFAULTLOGGER_H_INCLUDED)
 #define AI_DEFAULTLOGGER_H_INCLUDED
 
-#include "../include/Logger.h"
+#include "Logger.h"
+#include "NullLogger.h"
 #include <vector>
 
 namespace Assimp
@@ -51,38 +52,6 @@ class IOStream;
 struct LogStreamInfo;
 
 
-// ---------------------------------------------------------------------------
-/**	@class	NullLogger
- *	@brief	Empty logging implementation. Does nothing. Used by default
- *  if the application hasn't specified a custom logger (or DefaultLogger)
- *  via DefaultLogger::set() or DefaultLogger::create();
- */
-class NullLogger : public Logger 
-{
-public:
-	/**	@brief	Logs a debug message */
-	void debug(const std::string &message) {}
-
-	/**	@brief	Logs an info message */
-	void info(const std::string &message) {}
-
-	/**	@brief	Logs a warning message */
-	void warn(const std::string &message) {}
-	
-	/**	@brief	Logs an error message */
-	void error(const std::string &message) {}
-
-	/** @brief Log severity setter */
-	void setLogSeverity(LogSeverity log_severity) {}
-
-	/**	@brief	Detach a still attached stream from logger */
-	void attachStream(LogStream *pStream, unsigned int severity) {}
-
-	/**	@brief	Detach a still attached stream from logger */
-	void detatchStream(LogStream *pStream, unsigned int severity) {}
-};
-
-
 // ---------------------------------------------------------------------------
 /**	@class	DefaultLogger
  *	@brief	Default logging implementation. The logger writes into a file. 
diff --git a/include/NullLogger.h b/include/NullLogger.h
new file mode 100644
index 000000000..0fd603db2
--- /dev/null
+++ b/include/NullLogger.h
@@ -0,0 +1,82 @@
+/*
+Open Asset Import Library (ASSIMP)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2008, ASSIMP Development Team
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms, 
+with or without modification, are permitted provided that the 
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the ASSIMP team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the ASSIMP Development Team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+#if (!defined AI_NULLLOGGER_H_INCLUDED)
+#define AI_NULLLOGGER_H_INCLUDED
+
+#include "../include/Logger.h"
+
+namespace Assimp
+{
+
+// ---------------------------------------------------------------------------
+/**	@class	NullLogger
+ *	@brief	Empty logging implementation. Does nothing. Used by default
+ *  if the application hasn't specified a custom logger (or DefaultLogger)
+ *  via DefaultLogger::set() or DefaultLogger::create();
+ */
+class NullLogger : public Logger 
+{
+public:
+	/**	@brief	Logs a debug message */
+	void debug(const std::string &message) {}
+
+	/**	@brief	Logs an info message */
+	void info(const std::string &message) {}
+
+	/**	@brief	Logs a warning message */
+	void warn(const std::string &message) {}
+	
+	/**	@brief	Logs an error message */
+	void error(const std::string &message) {}
+
+	/** @brief Log severity setter */
+	void setLogSeverity(LogSeverity log_severity) {}
+
+	/**	@brief	Detach a still attached stream from logger */
+	void attachStream(LogStream *pStream, unsigned int severity) {}
+
+	/**	@brief	Detach a still attached stream from logger */
+	void detatchStream(LogStream *pStream, unsigned int severity) {}
+};
+
+}
+
+#endif // !! AI_NULLLOGGER_H_INCLUDED
\ No newline at end of file