diff --git a/htdocs/install/mysql/data/llx_holiday_config.sql b/htdocs/install/mysql/data/llx_holiday_config.sql
index c92812cbd92..9117b1b3594 100644
--- a/htdocs/install/mysql/data/llx_holiday_config.sql
+++ b/htdocs/install/mysql/data/llx_holiday_config.sql
@@ -5,4 +5,4 @@ INSERT INTO llx_holiday_config (rowid ,name ,value) VALUES (NULL , 'delayForRequ
 INSERT INTO llx_holiday_config (rowid ,name ,value) VALUES (NULL , 'AlertValidatorDelay', '0');
 INSERT INTO llx_holiday_config (rowid ,name ,value) VALUES (NULL , 'AlertValidatorSolde', '0');
 INSERT INTO llx_holiday_config (rowid ,name ,value) VALUES (NULL , 'nbHolidayDeducted', '1');
-INSERT INTO llx_holiday_config (rowid ,name ,value) VALUES (NULL , 'nbHolidayEveryMonth', '2.5');
+INSERT INTO llx_holiday_config (rowid ,name ,value) VALUES (NULL , 'nbHolidayEveryMonth', '2.08334');
diff --git a/htdocs/install/mysql/migration/3.2.0-3.3.0.sql b/htdocs/install/mysql/migration/3.2.0-3.3.0.sql
index 004798eadbc..dbf3e85ef9d 100755
--- a/htdocs/install/mysql/migration/3.2.0-3.3.0.sql
+++ b/htdocs/install/mysql/migration/3.2.0-3.3.0.sql
@@ -190,5 +190,5 @@ INSERT INTO llx_holiday_config (rowid ,name ,value) VALUES (NULL , 'delayForRequ
 INSERT INTO llx_holiday_config (rowid ,name ,value) VALUES (NULL , 'AlertValidatorDelay', '0');
 INSERT INTO llx_holiday_config (rowid ,name ,value) VALUES (NULL , 'AlertValidatorSolde', '0');
 INSERT INTO llx_holiday_config (rowid ,name ,value) VALUES (NULL , 'nbHolidayDeducted', '1');
-INSERT INTO llx_holiday_config (rowid ,name ,value) VALUES (NULL , 'nbHolidayEveryMonth', '2.5');
+INSERT INTO llx_holiday_config (rowid ,name ,value) VALUES (NULL , 'nbHolidayEveryMonth', '2.08334');