diff --git a/helm/charts/nats/files/nats-box/deployment/container.yaml b/helm/charts/nats/files/nats-box/deployment/container.yaml
index 9c99959f..f222e2af 100644
--- a/helm/charts/nats/files/nats-box/deployment/container.yaml
+++ b/helm/charts/nats/files/nats-box/deployment/container.yaml
@@ -22,8 +22,10 @@ command:
   fi
   {{- end }}
   cd "$work_dir"
-  exec sh -ec "$0"
+  exec /entrypoint.sh "$0" "$@"
 args:
+- sh
+- -ec
 - trap true INT TERM; sleep infinity & wait
 volumeMounts:
 # contexts secret
diff --git a/helm/charts/nats/templates/tests/request-reply.yaml b/helm/charts/nats/templates/tests/request-reply.yaml
index 4ce2bf83..3e06edc0 100644
--- a/helm/charts/nats/templates/tests/request-reply.yaml
+++ b/helm/charts/nats/templates/tests/request-reply.yaml
@@ -7,6 +7,8 @@ kind: Pod
 {{- with .container }}
 {{- $_ := set . "merge" (dict
   "args" (list
+    "sh"
+    "-ec"
     "nats reply --echo echo & pid=\"$!\"; sleep 1; nats request echo hi > /tmp/resp; kill \"$pid\"; wait; grep -qF hi /tmp/resp"
   )
 ) }}
diff --git a/helm/charts/nats/test/defaults_test.go b/helm/charts/nats/test/defaults_test.go
index 191e3596..5907a825 100644
--- a/helm/charts/nats/test/defaults_test.go
+++ b/helm/charts/nats/test/defaults_test.go
@@ -284,6 +284,8 @@ func DefaultResources(t *testing.T, test *Test) *Resources {
 							Containers: []corev1.Container{
 								{
 									Args: []string{
+										"sh",
+										"-ec",
 										"trap true INT TERM; sleep infinity & wait",
 									},
 									Command: []string{
@@ -299,7 +301,7 @@ if ! [ -f context.txt ]; then
   echo -n "default" > context.txt
 fi
 cd "$work_dir"
-exec sh -ec "$0"
+exec /entrypoint.sh "$0" "$@"
 `,
 									},
 									Image: dd.NatsBoxImage,