diff --git a/main.py b/main.py
index d4eb1d2..9a90391 100644
--- a/main.py
+++ b/main.py
@@ -68,7 +68,12 @@ async def send_message(number, text):
         res = tn.read_until(b'whatever', timeout=4).decode()
         logging.debug('Response data: %s', res)
 
-        message = text + CTRL_Z
+        # fix sending quirks: question marks and short messages
+        text = text.replace('?', '\\?')
+        if len(text) <= 2:
+            message = text + '\r\n' + CTRL_Z
+        else:
+            message = text + CTRL_Z
 
         tn.write(message.encode())
         res = tn.read_until(b'UserDevice> ', timeout=6).decode()