diff --git a/chroot-bincopy.sh b/chroot-bincopy.sh
index b8d7fbf..76e5ffa 100755
--- a/chroot-bincopy.sh
+++ b/chroot-bincopy.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Copy essential binaries into the chroot.
 
 chrootdir=$1
diff --git a/chroot-update.sh b/chroot-update.sh
index f4149e2..4cf48d4 100755
--- a/chroot-update.sh
+++ b/chroot-update.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Update all OpenSSH chroot.
 
 BACKUP_PATH='/backup/jails'
diff --git a/crons/evobackup-inc.sh b/crons/evobackup-inc.sh
index d12fc22..9f79a15 100644
--- a/crons/evobackup-inc.sh
+++ b/crons/evobackup-inc.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Handles creating incrementals backup.
 
 . /etc/evobackup/conf.d/incrementals.cf
diff --git a/crons/evobackup-rm.sh b/crons/evobackup-rm.sh
index b38f963..d3d0092 100644
--- a/crons/evobackup-rm.sh
+++ b/crons/evobackup-rm.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # Handle removing of incrementals.
 
diff --git a/crons/zzz_evobackup b/crons/zzz_evobackup
index c21cdb9..52ba843 100644
--- a/crons/zzz_evobackup
+++ b/crons/zzz_evobackup
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # EvoBackup cronjob.
 
 . /etc/evobackup/conf.d/cron.cf
diff --git a/install.sh b/install.sh
index ff97aa3..e3f90f0 100755
--- a/install.sh
+++ b/install.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Install EvoBackup configuration and init files.
 
 # Debian or Ubuntu?
diff --git a/install/etc/evobackup/actions.d/00_prerequisites b/install/etc/evobackup/actions.d/00_prerequisites
index 6f76f66..b19ebf5 100755
--- a/install/etc/evobackup/actions.d/00_prerequisites
+++ b/install/etc/evobackup/actions.d/00_prerequisites
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Prerequisites actions to do.
 
 test ! -d /home/backup && mkdir /home/backup
diff --git a/install/etc/evobackup/actions.d/10_mysq.disabled b/install/etc/evobackup/actions.d/10_mysq.disabled
index 3c76d77..05b3de2 100755
--- a/install/etc/evobackup/actions.d/10_mysq.disabled
+++ b/install/etc/evobackup/actions.d/10_mysq.disabled
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Many ways of backuping MySQL/MariaDB databases.
 
 # Dump with all databases in one file.
diff --git a/install/etc/evobackup/actions.d/11_postgresql.disabled b/install/etc/evobackup/actions.d/11_postgresql.disabled
index 06dfc86..9e8829d 100755
--- a/install/etc/evobackup/actions.d/11_postgresql.disabled
+++ b/install/etc/evobackup/actions.d/11_postgresql.disabled
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # PostgreSQL Dump
 
 # su - postgres -c "pg_dumpall > ~/pg.dump.bak"
diff --git a/install/etc/evobackup/actions.d/12_redis.disabled b/install/etc/evobackup/actions.d/12_redis.disabled
index 236f3d8..222f908 100755
--- a/install/etc/evobackup/actions.d/12_redis.disabled
+++ b/install/etc/evobackup/actions.d/12_redis.disabled
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Dump Redis
 
 # cp /var/lib/redis/dump.rdb /home/backup/
diff --git a/install/etc/evobackup/actions.d/13_mongodb.disabled b/install/etc/evobackup/actions.d/13_mongodb.disabled
index cb03255..e8856dc 100755
--- a/install/etc/evobackup/actions.d/13_mongodb.disabled
+++ b/install/etc/evobackup/actions.d/13_mongodb.disabled
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Dump MongoDB
 
 # mongodump -u mongobackup -pPASS -o /home/backup/mongodump/ >/dev/null 2>&1
diff --git a/install/etc/evobackup/actions.d/15_ldap.disabled b/install/etc/evobackup/actions.d/15_ldap.disabled
index e2411a7..bd1dd6e 100755
--- a/install/etc/evobackup/actions.d/15_ldap.disabled
+++ b/install/etc/evobackup/actions.d/15_ldap.disabled
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Dump LDAP
 
 # slapcat -l /home/backup/ldap.bak
diff --git a/install/etc/evobackup/actions.d/99_system_info b/install/etc/evobackup/actions.d/99_system_info
index 170b0a6..b0dde02 100755
--- a/install/etc/evobackup/actions.d/99_system_info
+++ b/install/etc/evobackup/actions.d/99_system_info
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # Get system informations.
 # Dependency: dd, sfdisk, mtr, traceroute, ps, netstat, dpkg
 
diff --git a/install/etc/init.d/evobackup b/install/etc/init.d/evobackup
index c7e373f..ce3ba14 100755
--- a/install/etc/init.d/evobackup
+++ b/install/etc/init.d/evobackup
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 ### BEGIN INIT INFO
 # Provides:             evobackup