diff --git a/scripts/crl-revoked.test b/scripts/crl-revoked.test
index e49611c64..1b3609cdd 100755
--- a/scripts/crl-revoked.test
+++ b/scripts/crl-revoked.test
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 #crl.test
 
diff --git a/scripts/openssl.test b/scripts/openssl.test
index 8c12d136b..46d135a7a 100755
--- a/scripts/openssl.test
+++ b/scripts/openssl.test
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 #openssl.test
 
diff --git a/scripts/pkcallbacks.test b/scripts/pkcallbacks.test
index a614741e6..b12e41bdd 100755
--- a/scripts/pkcallbacks.test
+++ b/scripts/pkcallbacks.test
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 #pkcallbacks.test
 
diff --git a/scripts/psk.test b/scripts/psk.test
index e0dc81708..6844ea46a 100755
--- a/scripts/psk.test
+++ b/scripts/psk.test
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # psk.test
 # copyright wolfSSL 2016
diff --git a/scripts/resume.test b/scripts/resume.test
index a523c5168..b698e3c89 100755
--- a/scripts/resume.test
+++ b/scripts/resume.test
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 #resume.test
 
diff --git a/scripts/sniffer-testsuite.test b/scripts/sniffer-testsuite.test
index 69bfa50df..d19de87f2 100755
--- a/scripts/sniffer-testsuite.test
+++ b/scripts/sniffer-testsuite.test
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 #sniffer-testsuite.test
 
diff --git a/scripts/tls13.test b/scripts/tls13.test
index 9c861b51f..e9e0092a4 100755
--- a/scripts/tls13.test
+++ b/scripts/tls13.test
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # tls13.test
 # copyright wolfSSL 2016
diff --git a/scripts/trusted_peer.test b/scripts/trusted_peer.test
index 82e61ef8c..ff6b7a722 100755
--- a/scripts/trusted_peer.test
+++ b/scripts/trusted_peer.test
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # trusted_peer.test
 # copyright wolfSSL 2016