diff --git a/.woodpecker/build-image.yaml b/.woodpecker/build-image.yaml
index bc8e058..7f639b6 100644
--- a/.woodpecker/build-image.yaml
+++ b/.woodpecker/build-image.yaml
@@ -34,7 +34,7 @@ variables:
         --arg source 'text-mosaic' \
         --arg title "$TITLE" \
         --arg content "$CONTENT" \
-        --arg priority "${NOTIFY_PRIORITY:-}" \
+        --arg priority "$NOTIFY_PRIORITY" \
         '{source: $source, title: $title, content: $content} + (if $priority == "" then {} else {priority: $priority} end)')
       curl -sS --fail-with-body --show-error -X POST -H 'content-type: application/json' \
         -d "$PAYLOAD" \