diff --git a/app/build_win.sh b/app/build_win.sh
index 7bafd34..9924bcc 100644
--- a/app/build_win.sh
+++ b/app/build_win.sh
@@ -1,3 +1,3 @@
 #!/bin/bash
 
-electron-packager . mcopy --overwrite --asar=true --platform=win32 --arch=ia32 --icon=assets/icons/win/icon.ico --prune=true --out=../dist --version-string.CompanyName="sixteenmillimeter.com" --version-string.FileDescription="Open Source Optical Printer Platform" --version-string.ProductName="mcopy"
\ No newline at end of file
+electron-packager . mcopy --overwrite --asar=true --platform=win32 --arch=x64 --icon=assets/icons/win/icon.ico --prune=true --out=../dist --version-string.CompanyName="sixteenmillimeter.com" --version-string.FileDescription="Open Source Optical Printer Platform" --version-string.ProductName="mcopy"
\ No newline at end of file