diff --git a/bin/sys_refresh_ref_cron.sh b/bin/sys_refresh_ref_cron.sh
index e939751..06d51d9 100755
--- a/bin/sys_refresh_ref_cron.sh
+++ b/bin/sys_refresh_ref_cron.sh
@@ -181,8 +181,8 @@ function refresh_cronjobs
           RESULT=$(psql -t -h ${DB_HOST} -U ${DB_USER} -d ${DB_DATABASE} -c "select ID from ref_cron where ${REQUEST_ID_PARAMS};")
           if [ ${#RESULT} -eq 0 ]; then
             fct_message "Cronjob not in database, inserting..."
-            REQUEST_INSERT_PARAMS="host='${VM}', s_user='${TETALAB_USER}', minutes='${MINUTES}',
-            hours='${HOURS}', days='${DAYS}', daysofweek='${DAYSOFWEEKS}', command='${COMMAND}'"
+            REQUEST_INSERT_PARAMS="'${VM}', '${TETALAB_USER}', '${MINUTES}',
+            '${HOURS}', '${DAYS}', '${DAYSOFWEEKS}', '${COMMAND}'"
             psql -t -h ${DB_HOST} -U ${DB_USER} -d ${DB_DATABASE} -c "insert into ref_cron values (${REQUEST_INSERT_PARAMS});"
           else
             fct_message "Cronjob already in database"