diff --git a/emulators/fbneo_neogeo.yml b/emulators/fbneo_neogeo.yml
index 02f26368..3c04c44a 100644
--- a/emulators/fbneo_neogeo.yml
+++ b/emulators/fbneo_neogeo.yml
@@ -5,7 +5,7 @@ source: "https://github.com/libretro/FBNeo"
 upstream: "https://github.com/finalburnneo/FBNeo"
 profiled_date: "2026-03-23"
 source_commit: "b267b79504366def21cefb08215e68df93310dba"
-core_version: "v1.0.0.03"
+core_version: "v1.0.0.2"
 display_name: "Arcade (FinalBurn Neo) (Neo-Geo)"
 cores:
   - fbneo_neogeo
diff --git a/scripts/scraper/_hash_merge.py b/scripts/scraper/_hash_merge.py
index 0a23749e..3574b188 100644
--- a/scripts/scraper/_hash_merge.py
+++ b/scripts/scraper/_hash_merge.py
@@ -266,6 +266,11 @@ def _diff_fbneo(
                 continue
 
             old = existing_by_key[key]
+            # source_ref is deliberately not compared here. The scraper knows
+            # one line per driver, the struct, while a curated entry cites the
+            # RomDesc line of its own ROM. Treating the difference as drift
+            # would replace per-ROM precision with a single driver line, which
+            # the profiling rules call the signature of a faulty entry.
             if old.get("crc32") != rom.get("crc32") or old.get("size") != rom.get(
                 "size"
             ):
diff --git a/scripts/scraper/fbneo_hash_scraper.py b/scripts/scraper/fbneo_hash_scraper.py
index 5ecc8def..f1c4c8b4 100644
--- a/scripts/scraper/fbneo_hash_scraper.py
+++ b/scripts/scraper/fbneo_hash_scraper.py
@@ -279,9 +279,15 @@ def run(
         diff = compute_diff(str(path), str(CACHE_PATH), mode="fbneo")
         print(_format_diff(path.stem, diff, show_added=is_main))
 
-        effective_added = diff["added"] if is_main else []
-        if not dry_run and (effective_added or diff["updated"]):
-            merge_fbneo_profile(str(path), str(CACHE_PATH), write=True, add_new=is_main)
+        # New entries are never written. A non-arcade FBNeo driver opens an
+        # archive whose name has the system prefix stripped by its own
+        # GetZipName (cv_coleco -> coleco.zip, gba_gba -> gba.zip), and the
+        # parser reads the driver struct name instead. Adding those would
+        # create phantom archives the core never opens, next to the correctly
+        # named entries already curated. Refreshing existing entries is safe:
+        # they are keyed by the archive name the profile already declares.
+        if not dry_run and diff["updated"]:
+            merge_fbneo_profile(str(path), str(CACHE_PATH), write=True, add_new=False)
             log.info("merged changes into %s", path.name)
 
     return 0
diff --git a/tests/test_hash_merge.py b/tests/test_hash_merge.py
index d7ad3623..96a5c578 100644
--- a/tests/test_hash_merge.py
+++ b/tests/test_hash_merge.py
@@ -469,6 +469,21 @@ class TestDiff(unittest.TestCase):
             self.assertEqual(len(diff["added"]), 0)
             self.assertEqual(len(diff["updated"]), 0)
 
+    def test_diff_fbneo_keeps_a_per_rom_ref(self) -> None:
+        """The scraper knows the driver line; a curated ref knows its ROM."""
+        profile = _make_fbneo_profile()
+        profile["files"][0]["crc32"] = "9036d879"
+        profile["files"][0]["size"] = 131072
+        profile["files"][0]["source_ref"] = "src/burn/drv/neogeo/d_neogeo.cpp:1615"
+
+        with tempfile.TemporaryDirectory() as td:
+            p = Path(td)
+            profile_path = _write_yaml(p / "fbneo.yml", profile)
+            hashes_path = _write_json(p / "hashes.json", _make_fbneo_hashes())
+            diff = compute_diff(profile_path, hashes_path, mode="fbneo")
+            self.assertEqual(len(diff["updated"]), 0)
+            self.assertEqual(diff["unchanged"], 1)
+
 
 if __name__ == "__main__":
     unittest.main()