diff --git a/_pydevd_bundle/pydevd_comm.py b/_pydevd_bundle/pydevd_comm.py
index <HASH>..<HASH> 100644
--- a/_pydevd_bundle/pydevd_comm.py
+++ b/_pydevd_bundle/pydevd_comm.py
@@ -752,7 +752,7 @@ class NetCommandFactory:
                 v = v[0:MAX_IO_MSG_SIZE]
                 v += '...'
 
-            v = pydevd_xml.make_valid_xml_value(quote(v, '/>_= \t'))
+            v = pydevd_xml.make_valid_xml_value(quote(v, '/>_= '))
             return NetCommand(str(CMD_WRITE_TO_CONSOLE), 0, '<xml><io s="%s" ctx="%s"/></xml>' % (v, ctx))
         except:
             return self.make_error_message(0, get_exception_traceback_str())
Preserve tab character while parsing XML ptvsd:<I>