diff --git a/decompile/Makefile b/decompile/Makefile
index 95a0617..9ec36f4 100644
--- a/decompile/Makefile
+++ b/decompile/Makefile
@@ -3,7 +3,7 @@ all: src/JSRF/Jet2.obj
 # Simple inference rule for producing object files
 .SUFFIXES: .cpp .obj
 .cpp.obj:
-	CL.EXE /nologo /Wall /TP /W3 /Ogityb0 /MT /Gf /GX /Fo$@ /c $<
+	CL.EXE /nologo /Wall /W4 /Ogityb0 /GfX /Fo$@ /c $<
 
 # Header files used for each object
 src/JSRF/Jet2.obj: src/JSRF/Core.hpp src/Std.hpp src/XDK/D3D.hpp\