diff --git a/soscollector/sosnode.py b/soscollector/sosnode.py
index 3aba0bf..ff130ba 100644
--- a/soscollector/sosnode.py
+++ b/soscollector/sosnode.py
@@ -364,7 +364,9 @@ class SosNode():
             get_pty = True
         if not self.local and not force_local:
             cmd = "%s %s" % (self.ssh_cmd, quote(cmd))
-        res = pexpect.spawn(cmd, encoding='utf-8')
+        else:
+            cmd = "%s %s" % ('/bin/bash -c', quote(cmd))
+        res = pexpect.spawn(cmd)
         if need_root:
             if self.config['need_sudo']:
                 res.sendline(self.config['sudo_pw'])
@@ -432,7 +434,7 @@ class SosNode():
                                        self.control_path,
                                        self.config['ssh_user'],
                                        self.address))
-        res = pexpect.spawn(cmd, encoding='utf-8')
+        res = pexpect.spawn(cmd)
 
         connect_expects = [
             u'Connected',