diff --git a/roles/oracle-db-postinstall/templates/cron_oracle_cleaner.j2 b/roles/oracle-db-postinstall/templates/cron_oracle_cleaner.j2
index f21ad79..98b2b19 100644
--- a/roles/oracle-db-postinstall/templates/cron_oracle_cleaner.j2
+++ b/roles/oracle-db-postinstall/templates/cron_oracle_cleaner.j2
@@ -1,8 +1,11 @@
 #!/bin/sh
 
-export DIAG_RDBMS={{ oracle_base }}/diag/rdbms/
-export DIAG_LSNR={{ oracle_base }}/diag/tnslsnr/
-export DAYS=30
+export ADMIN_DIR={{ oracle_base }}/admin
+export DIAG_DIR={{ oracle_base }}/diag
+export DIAG_RDBMS=${DIAG_DIR}/rdbms
+export DIAG_LSNR=${DIAG_DIR}/tnslsnr
+
+export DAYS=15
 
 /usr/bin/logger -t ora_db_clean_xml "Clean xml file older than $DAYS days from ${DIAG_RDBMS}"
 find ${DIAG_RDBMS} -iname "*xml"  -mtime +$DAYS -print -delete | logger -t oracle_clean_xml
@@ -16,6 +19,5 @@ find ${DIAG_RDBMS} -iname "*trc"  -mtime +$DAYS -print -delete | logger -t oracl
 /usr/bin/logger -t ora_db_clean_trm "Clean trm file older than $DAYS days from ${DIAG_RDBMS}"
 find ${DIAG_RDBMS} -iname "*trm"  -mtime +$DAYS -print -delete | logger -t oracle_clean_trm
 
-# suppression des fichiers .aud qui s'acumulent dans {{oracle_base}}/admin
-/usr/bin/logger -t ora_db_clean_aud "Clean audit file older than 30 days from {{oracle_base}}/admin"
-find {{oracle_base}}/admin/ -iname "*.aud"  -mtime +30 -print -delete | logger -t oracle_clean_aud
+/usr/bin/logger -t ora_db_clean_aud "Clean audit file older than 30 days from ${ADMIN_DIR}"
+find ${ADMIN_DIR} -iname "*.aud"  -mtime +30 -print -delete | logger -t oracle_clean_aud