diff --git a/build/luajit-buildvm/luajit-buildvm.vcxproj b/build/luajit-buildvm/luajit-buildvm.vcxproj
index 1b60fe658..f69756765 100644
--- a/build/luajit-buildvm/luajit-buildvm.vcxproj
+++ b/build/luajit-buildvm/luajit-buildvm.vcxproj
@@ -40,7 +40,6 @@
$(AegisubBinaryDir)luajit-minilua$(AegisubPlatformSuffix)
-D P64
-