diff --git a/lib/ansible/plugins/connections/chroot.py b/lib/ansible/plugins/connections/chroot.py
index 7cc1afa718b..cc5cee7803d 100644
--- a/lib/ansible/plugins/connections/chroot.py
+++ b/lib/ansible/plugins/connections/chroot.py
@@ -121,7 +121,7 @@ class Connection(object):
         try:
             with open(in_path, 'rb') as in_file:
                 try:
-                    p = self._buffered_exec_command('dd of=%s' % out_path, None, stdin=in_file)
+                    p = self._buffered_exec_command('dd of=%s bs=%s' % (out_path, BUFSIZE), None, stdin=in_file)
                 except OSError:
                     raise errors.AnsibleError("chroot connection requires dd command in the chroot")
                 try:
diff --git a/lib/ansible/plugins/connections/jail.py b/lib/ansible/plugins/connections/jail.py
index 1e1f5b9307e..d12318391ce 100644
--- a/lib/ansible/plugins/connections/jail.py
+++ b/lib/ansible/plugins/connections/jail.py
@@ -143,7 +143,7 @@ class Connection(object):
         try:
             with open(in_path, 'rb') as in_file:
                 try:
-                    p = self._buffered_exec_command('dd of=%s' % out_path, None, stdin=in_file)
+                    p = self._buffered_exec_command('dd of=%s bs=%s' % (out_path, BUFSIZE), None, stdin=in_file)
                 except OSError:
                     raise errors.AnsibleError("jail connection requires dd command in the jail")
                 try:
diff --git a/lib/ansible/plugins/connections/zone.py b/lib/ansible/plugins/connections/zone.py
index 019cfb9a91c..82256742a14 100644
--- a/lib/ansible/plugins/connections/zone.py
+++ b/lib/ansible/plugins/connections/zone.py
@@ -156,7 +156,7 @@ class Connection(object):
         try:
             with open(in_path, 'rb') as in_file:
                 try:
-                    p = self._buffered_exec_command('dd of=%s' % out_path, None, stdin=in_file)
+                    p = self._buffered_exec_command('dd of=%s bs=%s' % (out_path, BUFSIZE), None, stdin=in_file)
                 except OSError:
                     raise errors.AnsibleError("jail connection requires dd command in the jail")
                 try: