diff --git a/tsMuxer/textSubtitles.h b/tsMuxer/textSubtitles.h
index f2bc32e..f9d35c4 100644
--- a/tsMuxer/textSubtitles.h
+++ b/tsMuxer/textSubtitles.h
@@ -2,6 +2,7 @@
 #define __TEXT_SUBTITLES_H
 
 #ifdef WIN32
+#define WIN32_LEAN_AND_MEAN		// Exclude rarely-used stuff from Windows headers
 #include "windows.h"
 #endif