diff --git a/scripts/scraper/base_scraper.py b/scripts/scraper/base_scraper.py
index b106f44e..0f5497ef 100644
--- a/scripts/scraper/base_scraper.py
+++ b/scripts/scraper/base_scraper.py
@@ -22,6 +22,7 @@ class BiosRequirement:
     destination: str = ""
     required: bool = True
     zipped_file: str | None = None  # If set, md5 is for this ROM inside the ZIP
+    native_id: str | None = None  # Original system name before normalization
 
 
 @dataclass
@@ -199,7 +200,11 @@ def scraper_cli(scraper_class: type, description: str = "Scrape BIOS requirement
             config = {"systems": {}}
             for req in reqs:
                 sys_id = req.system
-                config["systems"].setdefault(sys_id, {"files": []})
+                if sys_id not in config["systems"]:
+                    sys_entry: dict = {"files": []}
+                    if req.native_id:
+                        sys_entry["native_id"] = req.native_id
+                    config["systems"][sys_id] = sys_entry
                 entry = {"name": req.name, "destination": req.destination or req.name, "required": req.required}
                 if req.sha1:
                     entry["sha1"] = req.sha1
diff --git a/scripts/scraper/batocera_scraper.py b/scripts/scraper/batocera_scraper.py
index 935283c4..63608e31 100644
--- a/scripts/scraper/batocera_scraper.py
+++ b/scripts/scraper/batocera_scraper.py
@@ -265,6 +265,7 @@ class Scraper(BaseScraper):
                     destination=file_path,
                     required=True,
                     zipped_file=zipped_file or None,
+                    native_id=sys_key,
                 ))
 
         return requirements
@@ -284,7 +285,10 @@ class Scraper(BaseScraper):
         systems = {}
         for req in requirements:
             if req.system not in systems:
-                systems[req.system] = {"files": []}
+                sys_entry: dict = {"files": []}
+                if req.native_id:
+                    sys_entry["native_id"] = req.native_id
+                systems[req.system] = sys_entry
 
             entry = {
                 "name": req.name,
diff --git a/scripts/scraper/libretro_scraper.py b/scripts/scraper/libretro_scraper.py
index 89f2ed41..0be69eef 100644
--- a/scripts/scraper/libretro_scraper.py
+++ b/scripts/scraper/libretro_scraper.py
@@ -112,7 +112,8 @@ class Scraper(BaseScraper):
         requirements = []
 
         for rom in roms:
-            system_slug = SYSTEM_SLUG_MAP.get(rom.system, rom.system.lower().replace(" ", "-"))
+            native_system = rom.system
+            system_slug = SYSTEM_SLUG_MAP.get(native_system, native_system.lower().replace(" ", "-"))
 
             destination = rom.name
             name = rom.name.split("/")[-1] if "/" in rom.name else rom.name
@@ -130,6 +131,7 @@ class Scraper(BaseScraper):
                 size=rom.size or None,
                 destination=destination,
                 required=True,
+                native_id=native_system,
             ))
 
         return requirements
@@ -223,7 +225,9 @@ class Scraper(BaseScraper):
         systems = {}
         for req in requirements:
             if req.system not in systems:
-                system_entry = {"files": []}
+                system_entry: dict = {"files": []}
+                if req.native_id:
+                    system_entry["native_id"] = req.native_id
                 if req.system in core_meta:
                     cm = core_meta[req.system]
                     if cm.get("core"):
diff --git a/scripts/scraper/recalbox_scraper.py b/scripts/scraper/recalbox_scraper.py
index e551ac0a..49267e89 100644
--- a/scripts/scraper/recalbox_scraper.py
+++ b/scripts/scraper/recalbox_scraper.py
@@ -147,6 +147,7 @@ class Scraper(BaseScraper):
                     md5=all_md5,
                     destination=primary_path,
                     required=mandatory,
+                    native_id=platform,
                 ))
 
         return requirements
@@ -203,7 +204,10 @@ class Scraper(BaseScraper):
         systems = {}
         for req in requirements:
             if req.system not in systems:
-                systems[req.system] = {"files": []}
+                sys_entry: dict = {"files": []}
+                if req.native_id:
+                    sys_entry["native_id"] = req.native_id
+                systems[req.system] = sys_entry
 
             entry = {
                 "name": req.name,
diff --git a/tests/test_e2e.py b/tests/test_e2e.py
index 6d862807..07210f93 100644
--- a/tests/test_e2e.py
+++ b/tests/test_e2e.py
@@ -3013,5 +3013,40 @@ class TestE2E(unittest.TestCase):
         self.assertEqual(hm["scraped_md5"], "scraped_hash")
 
 
+    # ---------------------------------------------------------------
+    # native_id preservation
+    # ---------------------------------------------------------------
+
+    def test_native_id_preserved_in_platform_config(self):
+        """load_platform_config preserves native_id at the system level."""
+        config = {
+            "platform": "TestNativeId",
+            "verification_mode": "existence",
+            "base_destination": "system",
+            "systems": {
+                "sony-playstation": {
+                    "native_id": "Sony - PlayStation",
+                    "files": [
+                        {"name": "scph5501.bin", "destination": "scph5501.bin", "required": True},
+                    ],
+                },
+                "nintendo-snes": {
+                    "native_id": "snes",
+                    "files": [
+                        {"name": "bs-x.bin", "destination": "bs-x.bin", "required": False},
+                    ],
+                },
+            },
+        }
+        with open(os.path.join(self.platforms_dir, "test_native_id.yml"), "w") as fh:
+            yaml.dump(config, fh)
+
+        loaded = load_platform_config("test_native_id", self.platforms_dir)
+        psx = loaded["systems"]["sony-playstation"]
+        self.assertEqual(psx["native_id"], "Sony - PlayStation")
+        snes = loaded["systems"]["nintendo-snes"]
+        self.assertEqual(snes["native_id"], "snes")
+
+
 if __name__ == "__main__":
     unittest.main()