diff --git a/backend-compliance/compliance/services/tcf_vendor_authority.py b/backend-compliance/compliance/services/tcf_vendor_authority.py
index e1fd71ec..a78a48fa 100644
--- a/backend-compliance/compliance/services/tcf_vendor_authority.py
+++ b/backend-compliance/compliance/services/tcf_vendor_authority.py
@@ -118,12 +118,13 @@ async def fetch_and_ingest_tcf_vendors(db: Session) -> dict:
                 "v": f"[TCF-{vid}] {name}",
                 "pu": privacy_url, "cat": category,
                 "purp": f"IAB TCF v2 Purposes: {sorted(all_purposes)}"})
+            db.commit()  # Per-Vendor-Commit damit ein Fehler nicht
+                         # die naechsten Eintraege blockt.
             inserted += 1
         except Exception as e:
             logger.warning("TCF vendor %s insert failed: %s", vid, e)
             skipped += 1
-            db.rollback()  # neue Transaktion fuer naechsten Insert
-    db.commit()
+            db.rollback()  # frische Transaktion fuer den naechsten Insert
     return {"n_vendors_in_gvl": len(vendors), "inserted": inserted,
             "skipped": skipped}