diff --git a/soscollector/sosnode.py b/soscollector/sosnode.py
index 3aba0bf..ff130ba 100644
--- a/soscollector/sosnode.py
+++ b/soscollector/sosnode.py
@@ -370,7 +370,7 @@
         else:
             if get_pty:
                 cmd = "/bin/bash -c %s" % quote(cmd)
-        res = pexpect.spawn(cmd, encoding='utf-8')
+        res = pexpect.spawn(cmd)
         if need_root:
             if self.config['need_sudo']:
                 res.sendline(self.config['sudo_pw'])
@@ -438,7 +438,7 @@
                                        self.control_path,
                                        self.config['ssh_user'],
                                        self.address))
-        res = pexpect.spawn(cmd, encoding='utf-8')
+        res = pexpect.spawn(cmd)
 
         connect_expects = [
             u'Connected',