diff --git a/scripts/publish-release.sh b/scripts/publish-release.sh
index f137308..5960e67 100755
--- a/scripts/publish-release.sh
+++ b/scripts/publish-release.sh
@@ -21,22 +21,25 @@ AUTH=("${GITEA_USER}:${GITEA_PASS}")
 API="$GITEA_URL/api/v1/repos/$GITEA_REPO"
 
 # Create the release if it does not exist yet.
-existing="$(curl -sf -u "${AUTH[@]}" "$API/releases/tags/$TAG" 2>/dev/null \
-  | python3 -c 'import json,sys; print(json.load(sys.stdin).get("id",""))' || true)"
-if [ -z "${existing}" ]; then
+if ! curl -sf -u "${AUTH[@]}" "$API/releases/tags/$TAG" > /dev/null 2>&1; then
   curl -sf -u "${AUTH[@]}" -X POST "$API/releases" \
     -H "Content-Type: application/json" \
     -d "{\"tag_name\":\"$TAG\",\"name\":\"$TAG\",\"body\":\"MovieMapper $TAG release. Linux: AppImage + deb. See README for install instructions.\"}" \
     > /dev/null
   echo "created release $TAG"
+else
+  echo "release $TAG exists"
 fi
 
+# Resolve numeric release id (asset upload requires it on this Gitea build).
+REL_ID="$(curl -sf -u "${AUTH[@]}" "$API/releases/tags/$TAG" \
+  | python3 -c 'import json,sys; print(json.load(sys.stdin)["id"])')"
+
 uploaded=0
 for f in dist/*.AppImage dist/*.deb dist/*.dmg dist/*.exe dist/*.zip; do
   [ -e "$f" ] || continue
-  if curl -sf -u "${AUTH[@]}" -X POST "$API/releases/$TAG/assets" \
-    -H "Content-Type: application/octet-stream" \
-    --data-binary @"$f" > /dev/null; then
+  if curl -sf -u "${AUTH[@]}" -X POST "$API/releases/$REL_ID/assets" \
+    -F "attachment=@$f;type=application/octet-stream" > /dev/null; then
     echo "uploaded $(basename "$f")"
     uploaded=$((uploaded + 1))
   else