diff --git a/telegram_bot/helper_functions.py b/telegram_bot/helper_functions.py
index 1262d54..ca6d4d2 100644
--- a/telegram_bot/helper_functions.py
+++ b/telegram_bot/helper_functions.py
@@ -57,6 +57,8 @@ def make_markdown_proof(text):  # used to avoid errors related to markdown parse
     text = text.replace("^", "\\^")
     text = text.replace("$", "\\$")
     text = text.replace("%", "\\%")
+    text = text.replace("=", "\\=")
+    text = text.replace("@", "\\@")
 
     return text