diff --git a/.github/workflows/build_pkg.yml b/.github/workflows/build_pkg.yml
index 17c5bbd..c740d67 100644
--- a/.github/workflows/build_pkg.yml
+++ b/.github/workflows/build_pkg.yml
@@ -12,7 +12,6 @@ jobs:
       - name: Build PKG
         uses: vmactions/freebsd-vm@v1
         with:
-          usesh: true
           prepare: |
             pkg install -y gmake npm wget pkgconf git go122 portsnap ffmpeg p5-Image-ExifTool libheif vips bsddialog portconfig
             mkdir -p /var/db/portsnap && portsnap --interactive auto > /dev/null
@@ -21,7 +20,7 @@ jobs:
           run: |
             git config --global --add safe.directory /home/runner/work/photoprism-freebsd-port/photoprism-freebsd-port
             make package
-            bash -c "for file in work/pkg/*.pkg;do mv $file ${file//\.pkg/-FreeBSD-$(uname -r).pkg}; done"
+            python3 -c "import glob, os; [os.rename(f, f.replace('.pkg', '-FreeBSD-' + os.uname().release + '.pkg')) for f in glob.glob('work/pkg/*.pkg')]"
       - name: Upload build artifacts
         uses: actions/upload-artifact@v4
         with:
@@ -36,7 +35,6 @@ jobs:
       - name: Build PKG
         uses: vmactions/freebsd-vm@v1
         with:
-          usesh: true
           release: "13.3"
           prepare: |
             pkg install -y gmake npm wget pkgconf git go122 ffmpeg p5-Image-ExifTool libheif vips bsddialog portconfig
@@ -46,7 +44,7 @@ jobs:
           run: |
             git config --global --add safe.directory /home/runner/work/photoprism-freebsd-port/photoprism-freebsd-port
             make package
-            bash -c "for file in work/pkg/*.pkg;do mv $file ${file//\.pkg/-FreeBSD-$(uname -r).pkg}; done"
+            python3 -c "import glob, os; [os.rename(f, f.replace('.pkg', '-FreeBSD-' + os.uname().release + '.pkg')) for f in glob.glob('work/pkg/*.pkg')]"
       - name: Upload build artifacts
         uses: actions/upload-artifact@v4
         with: