diff --git a/cmd/helm/testdata/helmhome/helm/plugins/args/args.sh b/cmd/helm/testdata/helmhome/helm/plugins/args/args.sh
index 678b4eff5..6c62be8b9 100755
--- a/cmd/helm/testdata/helmhome/helm/plugins/args/args.sh
+++ b/cmd/helm/testdata/helmhome/helm/plugins/args/args.sh
@@ -1,2 +1,2 @@
-#!/bin/bash
-echo $*
+#!/usr/bin/env sh
+echo "$@"
diff --git a/cmd/helm/testdata/helmhome/helm/plugins/exitwith/exitwith.sh b/cmd/helm/testdata/helmhome/helm/plugins/exitwith/exitwith.sh
index ec8469657..9cf68da68 100755
--- a/cmd/helm/testdata/helmhome/helm/plugins/exitwith/exitwith.sh
+++ b/cmd/helm/testdata/helmhome/helm/plugins/exitwith/exitwith.sh
@@ -1,2 +1,2 @@
-#!/bin/bash
-exit $*
+#!/usr/bin/env sh
+exit "$1"
diff --git a/pkg/getter/testdata/plugins/testgetter/get.sh b/pkg/getter/testdata/plugins/testgetter/get.sh
index cdd992369..c3c168993 100755
--- a/pkg/getter/testdata/plugins/testgetter/get.sh
+++ b/pkg/getter/testdata/plugins/testgetter/get.sh
@@ -1,8 +1,8 @@
-#!/bin/bash
+#!/usr/bin/env sh
 
 echo ENVIRONMENT
 env
 
 echo ""
 echo ARGUMENTS
-echo $@
+echo "$@"
diff --git a/pkg/getter/testdata/plugins/testgetter2/get.sh b/pkg/getter/testdata/plugins/testgetter2/get.sh
index cdd992369..c3c168993 100755
--- a/pkg/getter/testdata/plugins/testgetter2/get.sh
+++ b/pkg/getter/testdata/plugins/testgetter2/get.sh
@@ -1,8 +1,8 @@
-#!/bin/bash
+#!/usr/bin/env sh
 
 echo ENVIRONMENT
 env
 
 echo ""
 echo ARGUMENTS
-echo $@
+echo "$@"
diff --git a/pkg/plugin/testdata/plugdir/good/hello/hello.sh b/pkg/plugin/testdata/plugdir/good/hello/hello.sh
index dcfd58876..4f20796ef 100755
--- a/pkg/plugin/testdata/plugdir/good/hello/hello.sh
+++ b/pkg/plugin/testdata/plugdir/good/hello/hello.sh
@@ -1,9 +1,9 @@
-#!/bin/bash
+#!/usr/bin/env sh
 
 echo "Hello from a Helm plugin"
 
 echo "PARAMS"
-echo $*
+echo "$@"
 
 $HELM_BIN ls --all