diff --git a/base/application.cpp b/base/application.cpp
index 15ade90b8..cb57bf857 100644
--- a/base/application.cpp
+++ b/base/application.cpp
@@ -34,6 +34,7 @@ boost::thread::id Application::m_MainThreadID;
  * Constructor for the Application class.
  */
 Application::Application(void)
+	: m_PidFile(NULL)
 {
 #ifdef _WIN32
 	WSADATA wsaData;