diff --git a/src/sbbs3/sbbscon.dsp b/src/sbbs3/sbbscon.dsp
index 6139228fdcd0cd3e931e431590d61471bdef6ae1..d01bd59608c33c2bd255dc70eef453bd5535765c 100644
--- a/src/sbbs3/sbbscon.dsp
+++ b/src/sbbs3/sbbscon.dsp
@@ -42,7 +42,7 @@ RSC=rc.exe
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 # ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
-# ADD CPP /nologo /MT /W3 /GX /O2 /I "..\..\include\mozilla\js" /I "..\xpdev" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
+# ADD CPP /nologo /MT /W3 /GX /O2 /I "..\..\include\mozilla\js" /I "..\xpdev" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /D "JAVASCRIPT" /YX /FD /c
 # ADD BASE RSC /l 0x409 /d "NDEBUG"
 # ADD RSC /l 0x409 /d "NDEBUG"
 BSC32=bscmake.exe