diff --git a/src/db/gpx.ts b/src/db/gpx.ts
index e4c8cf3..c90d966 100644
--- a/src/db/gpx.ts
+++ b/src/db/gpx.ts
@@ -373,16 +373,17 @@ export const getGpx = async (params: any) => {
       gpx = row.doc.doc;
     }
     //level 1 (extensions)
-    if (row.doc.type === 'extensions') {
+    if (target !== undefined && row.doc.type === 'extensions') {
       target.splice(1);
       appendToArray(target.at(-1), row.doc.type, row.doc.doc);
       target.push(row.doc.doc);
     }
     //level 1 (others)
     if (
-      row.doc.type === 'wpt' ||
-      row.doc.type === 'rte' ||
-      row.doc.type === 'trk'
+      target !== undefined &&
+      (row.doc.type === 'wpt' ||
+        row.doc.type === 'rte' ||
+        row.doc.type === 'trk')
     ) {
       target.splice(1);
       appendToArray(target.at(-1), row.doc.type, row.doc._id);
diff --git a/src/db/index.ts b/src/db/index.ts
index 945c587..30d5b45 100644
--- a/src/db/index.ts
+++ b/src/db/index.ts
@@ -51,6 +51,39 @@ export const initDb = async (params: any) => {
 
   globalThis.dbReady = true;
 
+  const sync = PouchDB.sync(
+    'dyomedea',
+    'http://admin:password@localhost:5984/dyomedea',
+    {
+      live: true,
+      retry: true,
+    }
+  )
+    .on('change', function (info) {
+      // handle change
+      console.log({ caller: 'Sync / change', info });
+    })
+    .on('paused', function (err) {
+      // replication paused (e.g. replication up to date, user went offline)
+      console.log({ caller: 'Sync / paused', err });
+    })
+    .on('active', function () {
+      // replicate resumed (e.g. new changes replicating, user went back online)
+      console.log({ caller: 'Sync / active' });
+    })
+    .on('denied', function (err) {
+      // a document failed to replicate (e.g. due to permissions)
+      console.error({ caller: 'Sync / denied', err });
+    })
+    .on('complete', function (info) {
+      // handle complete
+      console.log({ caller: 'Sync / complete', info });
+    })
+    .on('error', function (err) {
+      // handle error
+      console.error({ caller: 'Sync / error', err });
+    });
+
   console.log({ caller: 'initDb / before db.changes' });
 
   const changes = db