diff --git a/src/main/java/life/mosu/mosuserver/application/examapplication/util/ExamNumberUtil.java b/src/main/java/life/mosu/mosuserver/application/examapplication/util/ExamNumberUtil.java
index 86ab20a1..54e0bafb 100644
--- a/src/main/java/life/mosu/mosuserver/application/examapplication/util/ExamNumberUtil.java
+++ b/src/main/java/life/mosu/mosuserver/application/examapplication/util/ExamNumberUtil.java
@@ -13,7 +13,7 @@ public static String formatExamNumber(Integer roundCode, Integer areaCode, Integ
         }
 
         return String.format(
-                "%d%02d%02d%04d",
+                "%d%d%02d%04d",
                 roundCode,
                 areaCode,
                 schoolCode,