diff --git a/main.js b/main.js
index ce647a2..6d2c756 100644
--- a/main.js
+++ b/main.js
@@ -283,7 +283,7 @@ async function processData(data, realnow, startpreview, endpreview, now2, calNam
 
         // only events with summary and a start date are interesting
         if ((ev.summary !== undefined) && (ev.type === 'VEVENT') && ev.start && ev.start instanceof Date) {
-            adapter.log.debug(`ev: ${JSON.stringify(ev)}`);
+            adapter.log.debug(`ev[${k}]: ${JSON.stringify(ev)}`);
             if (!ev.end || !(ev.end instanceof Date)) {
                 ev.end = new Date(ev.start.getTime());
                 if (ev.start.getHours() === 0 && ev.start.getMinutes() === 0 && ev.start.getSeconds() === 0) {
diff --git a/package.json b/package.json
index 47ce627..43bb25b 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "axios": "^1.7.7",
     "cloneextend": "^0.0.3",
     "json-schema": "^0.4.0",
-    "node-ical": "^0.20.0",
+    "node-ical": "0.19.0",
     "rrule": "2.8.1"
   },
   "devDependencies": {