diff --git a/push_to_db.py b/push_to_db.py
index 2ba32c1a3fa894da842f23295a5393f06fa8ba27..81c3e7371472e5f00e6c5396f4336e19f3bace66 100644
--- a/push_to_db.py
+++ b/push_to_db.py
@@ -142,7 +142,7 @@ def func():
     for part_type, parts in _parts.items():  # 부품 유형별 iterate
         for part in parts:  # 부품별 iterat
             if part_type == "DISK":
-                disk_part_type = part.pop("type", "not_set").upper()
+                disk_part_type = (part.pop("type", None) or "not_set").upper()
 
                 if disk_part_type not in ("SSD", "HDD",):
                     print("[WARNING] not supported disk type", disk_part_type, file=sys.stderr)