diff --git a/src/syntax.py b/src/syntax.py
index 62a3d06..dd79088 100644
--- a/src/syntax.py
+++ b/src/syntax.py
@@ -1,3 +1,4 @@
+import re
 from typing import Final
 
 import requests
@@ -7,6 +8,7 @@ from src.parse_tree.parse_tree import ParseTree
 
 class Syntax:
     __server: Final[str] = 'http://syntaxnet.athene.tech'
+    __regex = re.compile('[^a-zA-Zа-яА-Я ]')
 
     def __parsey(self, text):
         print(f'Connecting to \'{self.__server}\'...')
@@ -23,4 +25,5 @@ class Syntax:
         return result
 
     def get_parse_tree(self, text: str) -> ParseTree:
-        return ParseTree(self.__parsey(text))
+        prepared_text: str = self.__regex.sub('', str(text))
+        return ParseTree(self.__parsey(prepared_text))