diff --git a/libsnes/bizwinmake.sh b/libsnes/bizwinmake.sh
index 3a81fd0706..e13ac9fbf4 100644
--- a/libsnes/bizwinmake.sh
+++ b/libsnes/bizwinmake.sh
@@ -3,6 +3,6 @@ mkdir obj
 mkdir out
 export BIZWINCFLAGS="-I. -O3 -masm=intel -DLIBCO_IMPORT -DLIBCO_MSVC -static-libgcc -static-libstdc++"
 export TARGET_LIBSNES_LIBDEPS="-L ../libco_msvc_win32/release/ -llibco_msvc_win32  -static-libgcc -static-libstdc++"
-profile=compatibility platform=win target=libsnes make -e
+profile=compatibility platform=win target=libsnes make -e -j
 cd ..
 cp bsnes/out/snes.dll ../BizHawk.MultiClient/output/libsneshawk.dll
\ No newline at end of file