diff --git a/sc2/build/msvc6/UrQuanMasters.dsp b/sc2/build/msvc6/UrQuanMasters.dsp
index 03f1b5966..a3a338cb6 100644
--- a/sc2/build/msvc6/UrQuanMasters.dsp
+++ b/sc2/build/msvc6/UrQuanMasters.dsp
@@ -74,7 +74,7 @@ PostBuild_Cmds=rebase -b 0x400000 -x . "../../uqm.exe"
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 # ADD BASE CPP /nologo /W3 /GX /Zi /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c
-# ADD CPP /nologo /MDd /W3 /GX /Zi /Od /I "..\..\src" /I "..\..\src\regex" /D "DEBUG" /D "_DEBUG" /D "DEBUG_TRACK_SEM" /D "WIN32" /D "_CONSOLE" /D "_MBCS" /D _VW=320 /D _VH=240 /D "HAVE_OPENGL" /D "GFXMODULE_SDL" /D "THREADLIB_SDL" /D "HAVE_OPENAL" /D "HAVE_ZIP" /D "HAVE_JOYSTICK" /D "NETPLAY" /D "ZLIB_DLL" /D "USE_INTERNAL_MIKMOD" /D "USE_PLATFORM_ACCEL" /FR /FD /GZ /c
+# ADD CPP /nologo /MDd /W3 /GX /Zi /Od /I "..\..\src" /I "..\..\src\regex" /D "DEBUG" /D "_DEBUG" /D "DEBUG_TRACK_SEM" /D "DEBUG_DCQ_THREADS" /D "WIN32" /D "_CONSOLE" /D "_MBCS" /D _VW=320 /D _VH=240 /D "HAVE_OPENGL" /D "GFXMODULE_SDL" /D "THREADLIB_SDL" /D "HAVE_OPENAL" /D "HAVE_ZIP" /D "HAVE_JOYSTICK" /D "NETPLAY" /D "ZLIB_DLL" /D "USE_INTERNAL_MIKMOD" /D "USE_PLATFORM_ACCEL" /FR /FD /GZ /c
 # SUBTRACT CPP /YX
 # ADD BASE RSC /l 0x409 /d "_DEBUG"
 # ADD RSC /l 0x409 /d "_DEBUG"
@@ -101,7 +101,7 @@ LINK32=link.exe
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 # ADD BASE CPP /nologo /W3 /GX /Zi /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c
-# ADD CPP /nologo /MDd /W3 /GX /Zi /Od /I "..\..\src" /I "..\..\src\regex" /D "DEBUG" /D "_DEBUG" /D "DEBUG_TRACK_SEM" /D "WIN32" /D "_CONSOLE" /D "_MBCS" /D _VW=320 /D _VH=240 /D "HAVE_OPENGL" /D "GFXMODULE_SDL" /D "THREADLIB_SDL" /D "HAVE_OPENAL" /D "HAVE_ZIP" /D "HAVE_JOYSTICK" /D "NETPLAY" /D "ZLIB_DLL" /D "USE_INTERNAL_MIKMOD" /FR /FD /GZ /c
+# ADD CPP /nologo /MDd /W3 /GX /Zi /Od /I "..\..\src" /I "..\..\src\regex" /D "DEBUG" /D "_DEBUG" /D "DEBUG_TRACK_SEM" /D "DEBUG_DCQ_THREADS" /D "WIN32" /D "_CONSOLE" /D "_MBCS" /D _VW=320 /D _VH=240 /D "HAVE_OPENGL" /D "GFXMODULE_SDL" /D "THREADLIB_SDL" /D "HAVE_OPENAL" /D "HAVE_ZIP" /D "HAVE_JOYSTICK" /D "NETPLAY" /D "ZLIB_DLL" /D "USE_INTERNAL_MIKMOD" /FR /FD /GZ /c
 # SUBTRACT CPP /YX
 # ADD BASE RSC /l 0x409 /d "_DEBUG"
 # ADD RSC /l 0x409 /d "_DEBUG"