diff --git a/src/carddav_client.py b/src/carddav_client.py
index 03f1d81..6fb6fef 100644
--- a/src/carddav_client.py
+++ b/src/carddav_client.py
@@ -98,13 +98,11 @@ class CardDAVClient:
                     return self._absolute(href.text)
         raise RuntimeError("Keine addressbook-Collection gefunden")
 
-    def sync_collection(self, collection_url: str, sync_token: str | None):
+    def sync_collection(self, collection_url: str, sync_token: str | None, fetch_missing: bool = True):
         """
         Führt REPORT sync-collection aus.
         Gibt (changed_vcards, etags, deleted_hrefs, new_sync_token) zurück.
-        changed_vcards: list[str] roher vCard-Text
-        etags: list[str|None] ETag pro vCard (None wenn nicht vorhanden)
-        deleted_hrefs: list[str] Hrefs von gelöschten Kontakten (status 404)
+        fetch_missing: Wenn True, werden Kontakte ohne address-data per GET nachgeholt.
         """
         token_element = f"<d:sync-token>{sync_token}</d:sync-token>" if sync_token else "<d:sync-token/>"
         body = f"""<?xml version="1.0" encoding="utf-8" ?>
@@ -141,10 +139,12 @@ class CardDAVClient:
                 logger.debug("  UPSERT href=%s etag=%s (inline data)", href, etag)
                 vcards.append(data.text)
                 etags.append(etag)
-            else:
+            elif fetch_missing:
                 logger.debug("  UPSERT href=%s etag=%s (keine Daten, hole per GET)", href, etag)
                 if href:
                     missing_hrefs.append((href, etag))
+            else:
+                logger.debug("  SKIP href=%s etag=%s (keine Daten, fetch_missing=False)", href, etag)
 
         for href, etag in missing_hrefs:
             vcard_text = self._get_vcard_by_href(collection_url, href)
diff --git a/src/sync.py b/src/sync.py
index 21f88db..2bc7675 100644
--- a/src/sync.py
+++ b/src/sync.py
@@ -38,6 +38,9 @@ def sync_account(conn, account, href_to_uid_cache: dict):
                 else:
                     logger.warning("[%s] vCard konnte nicht geparst werden, überspringe", account.name)
             db.replace_all_contacts_for_account(conn, account.name, contacts, run_id)
+            _, _, _, new_token = client.sync_collection(collection_url, None, fetch_missing=False)
+            if new_token:
+                db.save_sync_token(conn, account.name, new_token)
             db.finish_sync_run(conn, run_id, "success", upserted=len(contacts), deleted=0)
             logger.info("[%s] Initialer Sync abgeschlossen: %d Kontakte", account.name, len(contacts))
             return
@@ -56,6 +59,9 @@ def sync_account(conn, account, href_to_uid_cache: dict):
                 else:
                     logger.warning("[%s] vCard konnte nicht geparst werden, überspringe", account.name)
             db.replace_all_contacts_for_account(conn, account.name, contacts, run_id)
+            _, _, _, new_token = client.sync_collection(collection_url, None, fetch_missing=False)
+            if new_token:
+                db.save_sync_token(conn, account.name, new_token)
             db.finish_sync_run(conn, run_id, "success", upserted=len(contacts), deleted=0)
             logger.info("[%s] Re-Sync abgeschlossen: %d Kontakte", account.name, len(contacts))
             return