diff --git a/nodepool/driver/kubernetes/provider.py b/nodepool/driver/kubernetes/provider.py
index 97701c0c6..f18807e12 100644
--- a/nodepool/driver/kubernetes/provider.py
+++ b/nodepool/driver/kubernetes/provider.py
@@ -277,7 +277,7 @@ class KubernetesProvider(Provider):
                     'name': label.name,
                     'image': label.image,
                     'imagePullPolicy': label.image_pull,
-                    'command': ["/bin/bash", "-c", "--"],
+                    'command': ["/bin/sh", "-c"],
                     'args': ["while true; do sleep 30; done;"],
                     'workingDir': '/tmp'
                 }]
diff --git a/nodepool/driver/openshift/provider.py b/nodepool/driver/openshift/provider.py
index 42390fe56..52f0980a7 100644
--- a/nodepool/driver/openshift/provider.py
+++ b/nodepool/driver/openshift/provider.py
@@ -205,7 +205,7 @@ class OpenshiftProvider(Provider):
             'name': label.name,
             'image': label.image,
             'imagePullPolicy': label.image_pull,
-            'command': ["/bin/bash", "-c", "--"],
+            'command': ["/bin/sh", "-c"],
             'args': ["while true; do sleep 30; done;"],
             'workingDir': '/tmp',
         }