How to set the working directory of an [Elixir] windows service?

I have a release packaged and installed here: and i can run it fine with start_iex

c:\Paperless\pca\bin
λ pca start_iex

when i install as a windows service, i get the following:

C:\Paperless\pca\bin
λ pca install

    C:\Paperless\pca\erts-14.2.5.2\bin\erlsrv.exe start pca_pca
    C:\Paperless\pca\erts-14.2.5.2\bin\erlsrv.exe stop pca_pca
    C:\Paperless\pca\erts-14.2.5.2\bin\erlsrv.exe remove pca_pca
    C:\Paperless\pca\erts-14.2.5.2\bin\erlsrv.exe list
    C:\Paperless\pca\erts-14.2.5.2\bin\erlsrv.exe help

I need the working directory to be c:\Paperless\pca\bin please where do we apply the -w flag?

the following did not work:

Thanks!

This works erlsrv.exe set pca_pca -w “c:\Paperless\pca\bin”

I now get this error:

pca_pca: Could not start erlang service "pca_pca"with commandline ["c:\Paperless\pca\erts-14.2.5.2\bin\erl.exe" -service_event ErlSrv_pca_pca -nohup -sname pca -setcookie CX7BCBEKGRPH6UBPF2UJTCAHKI47BF6UGRYKWPUDSAUJ6YNO3KSQ==== -config "c:\Paperless\pca\releases\0.5.0\sys" -mode embedded -boot "c:\Paperless\pca\releases\0.5.0\start" -boot_var RELEASE_LIB "c:\Paperless\pca\lib" -args_file "c:\Paperless\pca\releases\0.5.0\vm.args"].

The same service started yesterday.
I’ve restarted the server, but still the same.

Any help please?