diff --git a/resources/master_data/소요량_건설품셈_05장_강구조공사.json b/resources/master_data/소요량_건설품셈_05장_강구조공사.json
index f4f8f05d9..cc631bb51 100644
--- a/resources/master_data/소요량_건설품셈_05장_강구조공사.json
+++ b/resources/master_data/소요량_건설품셈_05장_강구조공사.json
@@ -229,7 +229,7 @@
         {
           "구분": "희석재",
           "단위": "ℓ",
-          "사용량": 25,
+          "사용량": "도료 사용량 × 25 / 100",
           "사용량원문": "도료 사용량의 25%"
         }
       ],