diff --git a/tools/import_sanef_assets.py b/tools/import_sanef_assets.py
index dae18f3..151e9cf 100644
--- a/tools/import_sanef_assets.py
+++ b/tools/import_sanef_assets.py
@@ -121,6 +121,7 @@ def main():
                 continue
 
             try:
+                sp = conn.begin_nested()
                 conn.execute(text("""
                     INSERT INTO servers
                     (hostname, fqdn, domain_ltd, os_family, os_version, machine_type,
@@ -139,11 +140,14 @@ def main():
                         responsable_nom = EXCLUDED.responsable_nom,
                         patch_owner_details = EXCLUDED.patch_owner_details
                 """), params)
+                sp.commit()
                 inserted += 1
                 if ip:
                     ip_map.append((hostname, ip))
             except Exception as e:
-                print(f"  [ERR] {hostname}: {e}")
+                try: sp.rollback()
+                except Exception: pass
+                print(f"  [ERR] {hostname}: {str(e)[:200]}")
                 skipped += 1
 
         if not args.dry_run: