diff --git a/rfb_win32/rfb_win32.dsp b/rfb_win32/rfb_win32.dsp
index 83b0096..fd5f371 100644
--- a/rfb_win32/rfb_win32.dsp
+++ b/rfb_win32/rfb_win32.dsp
@@ -65,7 +65,7 @@
 # PROP Intermediate_Dir "Debug"
 # PROP Target_Dir ""
 # ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_MBCS" /D "_LIB" /YX /FD /GZ /c
-# ADD CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /I ".." /FI"msvcwarning.h" /D "_DEBUG" /D "_LIB" /D "WIN32" /D "_MBCS" /YX /FD /GZ /c
+# ADD CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /I ".." /FI"msvcwarning.h" /D "_DEBUG" /D "_LIB" /D "WIN32" /D "_MBCS" /FR /YX /FD /GZ /c
 # ADD BASE RSC /l 0x809 /d "_DEBUG"
 # ADD RSC /l 0x809 /d "_DEBUG"
 BSC32=bscmake.exe