1 files changed, 1 insertions, 1 deletions

diff --git a/bin/return-assignment b/bin/return-assignment
index ec81b2d..831af1a 100755
--- a/bin/return-assignment
+++ b/bin/return-assignment
@@ -733,7 +733,7 @@ fi
 errors=$(
   find . -maxdepth 1 -name '*.pkg.tar.zst' | \
     while read -r pkg; do
-      tar -OxJf "${pkg}" '.BUILDINFO' 2>/dev/null | \
+      tar -Oxf "${pkg}" --zstd '.BUILDINFO' 2>/dev/null | \
         grep -vxF 'packager = Unknown Packager' | \
         grep -q '^packager = ' || \
         printf '%s misses a valid packager.\n' \