diff --git a/hippolyzer/lib/base/inventory.py b/hippolyzer/lib/base/inventory.py
index f9e8667..f3e3bdb 100644
--- a/hippolyzer/lib/base/inventory.py
+++ b/hippolyzer/lib/base/inventory.py
@@ -49,11 +49,15 @@ class SchemaFlagField(SchemaHexInt):
     """Like a hex int, but must be serialized as bytes in LLSD due to being a U32"""
     @classmethod
     def from_llsd(cls, val: Any, flavor: str) -> int:
-        return struct.unpack("!I", val)[0]
+        if flavor == "legacy":
+            return struct.unpack("!I", val)[0]
+        return val
 
     @classmethod
     def to_llsd(cls, val: int, flavor: str) -> Any:
-        return struct.pack("!I", val)
+        if flavor == "legacy":
+            return struct.pack("!I", val)
+        return val
 
 
 class SchemaEnumField(SchemaStr, Generic[_T]):
diff --git a/hippolyzer/lib/proxy/asset_uploader.py b/hippolyzer/lib/proxy/asset_uploader.py
index 2546428..5852373 100644
--- a/hippolyzer/lib/proxy/asset_uploader.py
+++ b/hippolyzer/lib/proxy/asset_uploader.py
@@ -22,7 +22,7 @@ class ProxyAssetUploader(AssetUploader):
             ]
         }
         async with self._region.caps_client.post('FetchInventory2', llsd=ais_req_data) as resp:
-            ais_item = InventoryItem.from_llsd((await resp.read_llsd())["items"][0])
+            ais_item = InventoryItem.from_llsd((await resp.read_llsd())["items"][0], flavor="ais")
 
         # Got it, ship it off to the viewer
         message = Message(