diff --git a/ubot/command_handler.py b/ubot/command_handler.py
index 9cbb31e..e82f608 100644
--- a/ubot/command_handler.py
+++ b/ubot/command_handler.py
@@ -7,7 +7,7 @@ from telethon import events
 
 class CommandHandler():
     def __init__(self, client, logger, settings):
-        self.pattern_template = "(?is)^{0}{1}(?: |$)(.*)"
+        self.pattern_template = "(?is)^{0}{1}(?: |$|_)(.*)"
         self.incoming_commands = {}
         self.logger = logger
         self.settings = settings