diff --git a/sahara/exceptions.py b/sahara/exceptions.py
index eaec5f0a..28d8c72f 100644
--- a/sahara/exceptions.py
+++ b/sahara/exceptions.py
@@ -103,12 +103,13 @@ class RemoteCommandException(SaharaException):
                                                     six.text_type(ret_code))
 
         if stderr:
-            self.message = '%s\nSTDERR:\n%s' % (self.message, stderr)
+            self.message = '%s\nSTDERR:\n%s' % (
+                self.message, stderr.decode('ascii', 'ignore'))
 
         if stdout:
-            self.message = '%s\nSTDOUT:\n%s' % (self.message, stdout)
+            self.message = '%s\nSTDOUT:\n%s' % (
+                self.message, stdout.decode('ascii', 'ignore'))
 
-        self.message = self.message.decode('ascii', 'ignore')
         super(RemoteCommandException, self).__init__()