diff --git a/create-attributable-archive.sh b/create-attributable-archive.sh
index dbccc44..0569eef 100755
--- a/create-attributable-archive.sh
+++ b/create-attributable-archive.sh
@@ -59,8 +59,14 @@ printf "ssh: signing out/contents.7z"
 ssh-keygen -Y sign -f "$key_path" -n "$signature_tag" "$out_dir/contents.7z" > /dev/null 2>&1
 checkcode $?
 
+printf "changing directory to $out_dir"
+cd "$out_dir"
+checkcode $?
 printf "sha512: generating sha512 checksums of files in out"
-sha512sum $out_dir/* > "$out_dir/checksums.sha512"
+sha512sum * > "checksums.sha512"
+checkcode $?
+printf "changing directory back"
+cd ..
 checkcode $?
 
 echo "Enter attribution passphrase:"