diff --git a/conf/rsync/periodic/15min/job_sh b/conf/rsync/periodic/15min/job_sh
index 8a7214f..ce64c41 100644
--- a/conf/rsync/periodic/15min/job_sh
+++ b/conf/rsync/periodic/15min/job_sh
@@ -1 +1,2 @@
-echo 15min at:$(date +%F%n%T)
\ No newline at end of file
+#!/bin/sh
+echo 15min at:$(date +%F%n%T)
diff --git a/conf/rsync/periodic/hourly/job_sh b/conf/rsync/periodic/hourly/job_sh
index bfb7cd4..a1bbdfe 100644
--- a/conf/rsync/periodic/hourly/job_sh
+++ b/conf/rsync/periodic/hourly/job_sh
@@ -1 +1,3 @@
-echo hourly at:$(date +%F%n%T)
\ No newline at end of file
+#!/bin/sh
+echo hourly at:$(date +%F%n%T)
+
diff --git a/conf/rsync/periodic/monthly/job_sh b/conf/rsync/periodic/monthly/job_sh
index dcb2fa2..fdb6971 100644
--- a/conf/rsync/periodic/monthly/job_sh
+++ b/conf/rsync/periodic/monthly/job_sh
@@ -1 +1,3 @@
-echo monthly at:$(date +%F%n%T)
\ No newline at end of file
+#!/bin/sh
+echo monthly at:$(date +%F%n%T)
+
diff --git a/conf/rsync/periodic/weekly/job_sh b/conf/rsync/periodic/weekly/job_sh
index 7150919..b1d8897 100644
--- a/conf/rsync/periodic/weekly/job_sh
+++ b/conf/rsync/periodic/weekly/job_sh
@@ -1 +1,2 @@
-echo weekly at:$(date +%F%n%T)
\ No newline at end of file
+#!/bin/sh
+echo weekly at:$(date +%F%n%T)