diff --git a/src/main/java/com/ippon/pouet/common/domain/error/MissingMandatoryValueException.java b/src/main/java/com/ippon/pouet/common/domain/error/MissingMandatoryValueException.java
index 3273d035bb5a3d14da538ad24933f50bacceb16a..10e36f6c6333b56366d0b0f0eb3819b0e6c6fa00 100644
--- a/src/main/java/com/ippon/pouet/common/domain/error/MissingMandatoryValueException.java
+++ b/src/main/java/com/ippon/pouet/common/domain/error/MissingMandatoryValueException.java
@@ -2,7 +2,7 @@ package com.ippon.pouet.common.domain.error;
 
 public class MissingMandatoryValueException extends PouetException {
 
-  protected MissingMandatoryValueException(PouetExceptionBuilder builder) {
+  private MissingMandatoryValueException(PouetExceptionBuilder builder) {
     super(builder);
   }