diff --git a/.github/actions/decrypt.sh b/.github/actions/decrypt.sh
index 381a721c..2c4a326e 100644
--- a/.github/actions/decrypt.sh
+++ b/.github/actions/decrypt.sh
@@ -1,10 +1,8 @@
 #!/bin/sh
 
-mydir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
-echo "running from ${mydir}"
-credsfile="${gampath}/creds.tar"
+credsfile="$1"
 echo "target file is ${credsfile}"
-gpgfile="${mydir}/creds.tar.gpg"
+gpgfile="$2"
 echo "source file is ${gpgfile}"
 if [ -z ${PASSCODE+x} ]; then
   echo "PASSCODE is unset";
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 77620633..ef93c8b3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -184,7 +184,7 @@ jobs:
         env: # Or as an environment variable
           PASSCODE: ${{ secrets.PASSCODE }}
         run: |
-             source .github/actions/decrypt.sh
+             source .github/actions/decrypt.sh .github/actions/creds.tar.gpg src/creds.tar
              cd src
              export OAUTHFILE="oauth2.txt-gam-gha-${JID}"
              $gam oauth info