diff --git a/core/aimedb.py b/core/aimedb.py
index ab400c2..56490c5 100644
--- a/core/aimedb.py
+++ b/core/aimedb.py
@@ -194,7 +194,7 @@ class AimedbServlette():
         
         if user_id and user_id > 0:
             await self.data.card.update_card_last_login(req.access_code)
-            if req.access_code.startswith("010") or req.access_code.startswith("3") and req.serial_number != 0x04030201: # Default segatools sn
+            if (req.access_code.startswith("010") or req.access_code.startswith("3")) and req.serial_number != 0x04030201: # Default segatools sn
                 await self.data.card.set_chip_id_by_access_code(req.access_code, req.serial_number)
                 self.logger.info(f"Attempt to set chip id to {req.serial_number:08X} for access code {req.access_code}")
         return ret
@@ -370,7 +370,7 @@ class AimedbServlette():
             )
         
         if user_id > 0:
-            if req.access_code.startswith("010") or req.access_code.startswith("3") and req.serial_number != 0x04030201: # Default segatools sn:
+            if (req.access_code.startswith("010") or req.access_code.startswith("3")) and req.serial_number != 0x04030201: # Default segatools sn:
                 await self.data.card.set_chip_id_by_access_code(req.access_code, req.serial_number)
                 self.logger.info(f"Attempt to set chip id to {req.serial_number} for access code {req.access_code}")
             
diff --git a/titles/sao/base.py b/titles/sao/base.py
index da982d8..8d5650d 100644
--- a/titles/sao/base.py
+++ b/titles/sao/base.py
@@ -85,7 +85,7 @@ class SaoBase:
             card_id = await self.data.card.create_card(user_id, req.access_code)
             if req.access_code.startswith("5"):
                 await self.data.card.set_idm_by_access_code(card_id, req.chip_id[:16])
-            elif req.access_code.startswith("010") or req.access_code.startswith("3") and int(req.chip_id[:8], 16) != 0x04030201:
+            elif (req.access_code.startswith("010") or req.access_code.startswith("3")) and int(req.chip_id[:8], 16) != 0x04030201:
                 await self.data.card.set_chip_id_by_access_code(card_id, int(req.chip_id[:8], 16))
 
             if card_id is None: