diff --git a/server/cron.sh b/server/cron.sh
index 3670e68d463318742b1d73c132a4909feff23aab..98f0ddfd30d4443382e0b77a5d1a9145bb503544 100644
--- a/server/cron.sh
+++ b/server/cron.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 PATH=/sbin:/usr/sbin:/bin:/usr/bin:/usr/local/sbin:/usr/local/bin:/usr/X11R6/bin
 
diff --git a/server/scripts/run-getmail.sh b/server/scripts/run-getmail.sh
index 81f897a884d00e40166eda50e171c3a04b83f488..3eac5ec194033c69b9029d0df144c616b837ae08 100644
--- a/server/scripts/run-getmail.sh
+++ b/server/scripts/run-getmail.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 PATH=/sbin:/usr/sbin:/bin:/usr/bin:/usr/local/sbin:/usr/local/bin:/usr/X11R6/bin
 set -e
 cd /etc/getmail
diff --git a/server/server.sh b/server/server.sh
index 2d05d4f0fd4a3e3720ed3a47e535cac407d30423..9c92a868b0532d07eb224e50da7cc07fc538b620 100755
--- a/server/server.sh
+++ b/server/server.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 
 PATH=/sbin:/usr/sbin:/bin:/usr/bin:/usr/local/sbin:/usr/local/bin:/usr/X11R6/bin