diff --git a/docker/cluster-restart.sh b/docker/cluster-restart.sh
index 160a19ee..ffd14eed 100755
--- a/docker/cluster-restart.sh
+++ b/docker/cluster-restart.sh
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/bin/sh
 
 # Restart the cluster process
 sleep 4
diff --git a/docker/random-killer.sh b/docker/random-killer.sh
index 0663e592..bf4cef67 100755
--- a/docker/random-killer.sh
+++ b/docker/random-killer.sh
@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/bin/sh
 
 # $1=sleep time, $2=first command, $3=second command
 # Loop forever
diff --git a/docker/random-stopper.sh b/docker/random-stopper.sh
index 0bcdfb94..b32796a5 100755
--- a/docker/random-stopper.sh
+++ b/docker/random-stopper.sh
@@ -1,4 +1,4 @@
-#! /bin/bash
+#! /bin/sh
 
 # $1=sleep time, $2=first command, $3=second command
 # Loop forever
diff --git a/docker/wait-killer-stopper.sh b/docker/wait-killer-stopper.sh
index 9661101e..0246c765 100755
--- a/docker/wait-killer-stopper.sh
+++ b/docker/wait-killer-stopper.sh
@@ -1,4 +1,4 @@
-#! /bin/bash
+#! /bin/sh
 
 ## Wait for cluster service process to exist and the stop the
 ## killer