diff --git a/samples/pktgen/pktgen.conf-1-1 b/samples/pktgen/pktgen.conf-1-1
index e32782e06cafe..bb5398367d4ba 100755
--- a/samples/pktgen/pktgen.conf-1-1
+++ b/samples/pktgen/pktgen.conf-1-1
@@ -1,4 +1,4 @@
-#! /bin/sh
+#!/bin/bash
 
 #modprobe pktgen
 
diff --git a/samples/pktgen/pktgen.conf-1-1-flows b/samples/pktgen/pktgen.conf-1-1-flows
index ea859e441f6e0..db20ac8a66a7e 100755
--- a/samples/pktgen/pktgen.conf-1-1-flows
+++ b/samples/pktgen/pktgen.conf-1-1-flows
@@ -1,4 +1,4 @@
-#! /bin/sh
+#!/bin/bash
 
 #modprobe pktgen
 
diff --git a/samples/pktgen/pktgen.conf-1-1-ip6 b/samples/pktgen/pktgen.conf-1-1-ip6
index 0a81fd92426b5..e22199d1ed76a 100755
--- a/samples/pktgen/pktgen.conf-1-1-ip6
+++ b/samples/pktgen/pktgen.conf-1-1-ip6
@@ -1,4 +1,4 @@
-#! /bin/sh
+#!/bin/bash
 
 #modprobe pktgen
 
diff --git a/samples/pktgen/pktgen.conf-1-1-ip6-rdos b/samples/pktgen/pktgen.conf-1-1-ip6-rdos
index 21c3b1589fa7b..58dd0524f2644 100755
--- a/samples/pktgen/pktgen.conf-1-1-ip6-rdos
+++ b/samples/pktgen/pktgen.conf-1-1-ip6-rdos
@@ -1,4 +1,4 @@
-#! /bin/sh
+#!/bin/bash
 
 #modprobe pktgen
 
diff --git a/samples/pktgen/pktgen.conf-1-1-rdos b/samples/pktgen/pktgen.conf-1-1-rdos
index fc4e345c4a346..2834ac7897218 100755
--- a/samples/pktgen/pktgen.conf-1-1-rdos
+++ b/samples/pktgen/pktgen.conf-1-1-rdos
@@ -1,4 +1,4 @@
-#! /bin/sh
+#!/bin/bash
 
 #modprobe pktgen
 
diff --git a/samples/pktgen/pktgen.conf-1-2 b/samples/pktgen/pktgen.conf-1-2
index dfea8e6896d48..b519dab262ce9 100755
--- a/samples/pktgen/pktgen.conf-1-2
+++ b/samples/pktgen/pktgen.conf-1-2
@@ -1,4 +1,4 @@
-#! /bin/sh
+#!/bin/bash
 
 #modprobe pktgen
 
diff --git a/samples/pktgen/pktgen.conf-2-1 b/samples/pktgen/pktgen.conf-2-1
index 5d2fe4cdbd96b..6f57a558d817c 100755
--- a/samples/pktgen/pktgen.conf-2-1
+++ b/samples/pktgen/pktgen.conf-2-1
@@ -1,4 +1,4 @@
-#! /bin/sh
+#!/bin/bash
 
 #modprobe pktgen
 
diff --git a/samples/pktgen/pktgen.conf-2-2 b/samples/pktgen/pktgen.conf-2-2
index 474f200edcfbe..aa3225280521e 100755
--- a/samples/pktgen/pktgen.conf-2-2
+++ b/samples/pktgen/pktgen.conf-2-2
@@ -1,4 +1,4 @@
-#! /bin/sh
+#!/bin/bash
 
 #modprobe pktgen