diff --git a/lib/base/streamlogger.cpp b/lib/base/streamlogger.cpp
index 146fe3c91..cd5e79981 100644
--- a/lib/base/streamlogger.cpp
+++ b/lib/base/streamlogger.cpp
@@ -41,6 +41,8 @@ void StreamLogger::FlushLogTimerHandler()
 
 void StreamLogger::Flush()
 {
+	ObjectLock oLock (this);
+
 	if (m_Stream)
 		m_Stream->flush();
 }