diff --git a/nx/include/switch/services/btdrv.h b/nx/include/switch/services/btdrv.h
index 68a9e959..e29fdfc9 100644
--- a/nx/include/switch/services/btdrv.h
+++ b/nx/include/switch/services/btdrv.h
@@ -1117,7 +1117,7 @@ Result btdrvEnableGattService(u8 server_if, const BtdrvGattAttributeUuid *uuid);
  * @param[in] permissions \ref BtdrvGattAttributePermission
  * @param[in] property \ref BtdrvGattCharacteristicProperty
  */
-Result btdrvAddGattCharacteristic(u8 server_if, const BtdrvGattAttributeUuid *serv_uuid, const BtdrvGattAttributeUuid *char_uuid, u8 permissions, u16 property);
+Result btdrvAddGattCharacteristic(u8 server_if, const BtdrvGattAttributeUuid *serv_uuid, const BtdrvGattAttributeUuid *char_uuid, u16 permissions, u8 property);
 
 /**
  * @brief AddGattDescriptor
diff --git a/nx/source/services/btdrv.c b/nx/source/services/btdrv.c
index f83b44b9..568f1e82 100644
--- a/nx/source/services/btdrv.c
+++ b/nx/source/services/btdrv.c
@@ -944,17 +944,17 @@ Result btdrvEnableGattService(u8 server_if, const BtdrvGattAttributeUuid *uuid)
     return serviceDispatchIn(&g_btdrvSrv, cmd_id, in);
 }
 
-Result btdrvAddGattCharacteristic(u8 server_if, const BtdrvGattAttributeUuid *serv_uuid, const BtdrvGattAttributeUuid *char_uuid, u8 permissions, u16 property) {
+Result btdrvAddGattCharacteristic(u8 server_if, const BtdrvGattAttributeUuid *serv_uuid, const BtdrvGattAttributeUuid *char_uuid, u16 permissions, u8 property) {
     if (hosversionBefore(5,0,0))
         return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
 
     const struct {
         u8 server_if;
-        u8 permissions;
-        u16 property;
+        u8 property;
+        u16 permissions;
         BtdrvGattAttributeUuid serv_uuid;
         BtdrvGattAttributeUuid char_uuid;
-    } in = { server_if, permissions, property, *serv_uuid, *char_uuid };
+    } in = { server_if, property, permissions, *serv_uuid, *char_uuid };
 
     return serviceDispatchIn(&g_btdrvSrv, 77, in);
 }