diff --git a/aegisub/build/PortableInstaller/PortableInstaller.vcxproj b/aegisub/build/PortableInstaller/PortableInstaller.vcxproj
index dbaf7d315..714dc2300 100644
--- a/aegisub/build/PortableInstaller/PortableInstaller.vcxproj
+++ b/aegisub/build/PortableInstaller/PortableInstaller.vcxproj
@@ -24,6 +24,7 @@
       />
 
     <MakeDir Directories="$(AegisubObjectDir)\$(FileName)" />
+    <MakeDir Directories="$(AegisubSourceBase)\packages\win_installer\output" />
 
     <Copy
       SourceFiles="@(RarContents)"