diff --git a/.github/workflows/updater.sh b/.github/workflows/updater.sh
index cf0465b..3080808 100755
--- a/.github/workflows/updater.sh
+++ b/.github/workflows/updater.sh
@@ -61,7 +61,6 @@ SOURCE_SUM=$checksum
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=$extension
 SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=
 EOT
 echo "... conf/$src.src updated"