diff --git a/packages/win_installer/fragment_setupbase.iss b/packages/win_installer/fragment_setupbase.iss
index 8092bd4e5..f6c7de493 100644
--- a/packages/win_installer/fragment_setupbase.iss
+++ b/packages/win_installer/fragment_setupbase.iss
@@ -35,8 +35,8 @@ UninstallDisplayIcon={app}\aegisub.exe
 WizardImageFile={#INSTALLER_DIR}\welcome-large.bmp
 WizardSmallImageFile={#INSTALLER_DIR}\aegisub-large.bmp
 
-OutputBaseFilename=Aegisub-{#BUILD_GIT_VERSION_STRING}-{#ARCH}
-VersionInfoDescription=Aegisub {#BUILD_GIT_VERSION_STRING} {#ARCH}-bit
+OutputBaseFilename=Aegisub-{#BUILD_GIT_VERSION_STRING}
+VersionInfoDescription=Aegisub {#BUILD_GIT_VERSION_STRING}
 
 [Languages]
 Name: "en"; MessagesFile: "compiler:Default.isl"