diff --git a/README.md b/README.md
index 8900581..db7e4b9 100644
--- a/README.md
+++ b/README.md
@@ -305,6 +305,7 @@ Router(title: str = 'Commands group title:',
 - `TooManyTransferredArgsException` - Слишком много зарегистрированных аргументов у обработчика команды
 - `RequiredArgumentNotPassedException` - Не зарегистрирован обязательный аргумент у обработчика команды(аргумент, через который будут переданы флаги введённой команды)
 - `IncorrectNumberOfHandlerArgsException` - У обработчика нестандартного поведения зарегистрировано неверное количество аргументов(в большинстве случаев у него должен быть один аргумент)
+- `TriggerCannotContainSpacesException` - У регистрируемой команды в триггере содержатся пробелы
 
 ---
 
@@ -363,9 +364,9 @@ Command(trigger: str,
 ### Конструктор
 ```python
 Flag(flag_name: str,
-     flag_prefix: Literal['-', '--', '---'] = '-',
+     flag_prefix: typing.Literal['-', '--', '---'] = '-',
      ignore_flag_value_register: bool = False,
-     possible_flag_values: list[str] | Pattern[str] = False)
+     possible_flag_values: list[str] | typing.Pattern[str] = False)
 ```
 
 ---
diff --git a/argenta/router/entity.py b/argenta/router/entity.py
index ab5a6eb..2c6f5e5 100644
--- a/argenta/router/entity.py
+++ b/argenta/router/entity.py
@@ -8,7 +8,8 @@ from ..router.exceptions import (RepeatedCommandException,
                                  RepeatedFlagNameException,
                                  TooManyTransferredArgsException,
                                  RequiredArgumentNotPassedException,
-                                 IncorrectNumberOfHandlerArgsException)
+                                 IncorrectNumberOfHandlerArgsException,
+                                 TriggerCannotContainSpacesException)
 
 
 class Router:
@@ -71,6 +72,8 @@ class Router:
 
     def _validate_command(self, command: Command):
         command_name: str = command.get_trigger()
+        if command_name.find(' ') != -1:
+            raise TriggerCannotContainSpacesException()
         if command_name in self.get_all_commands():
             raise RepeatedCommandException()
         if self._ignore_command_register:
diff --git a/argenta/router/exceptions.py b/argenta/router/exceptions.py
index cee3298..bdbdd2c 100644
--- a/argenta/router/exceptions.py
+++ b/argenta/router/exceptions.py
@@ -21,3 +21,8 @@ class RequiredArgumentNotPassedException(Exception):
 class IncorrectNumberOfHandlerArgsException(Exception):
     def __str__(self):
         return "Handler has incorrect number of arguments"
+
+
+class TriggerCannotContainSpacesException(Exception):
+    def __str__(self):
+        return "Command trigger cannot contain spaces"
diff --git a/mock/mock_app/handlers/routers.py b/mock/mock_app/handlers/routers.py
index 6e4ed12..1e16896 100644
--- a/mock/mock_app/handlers/routers.py
+++ b/mock/mock_app/handlers/routers.py
@@ -32,7 +32,7 @@ def command_help():
     help_command()
 
 
-@work_router.command(Command(trigger='P', description='Start Solving', flags=flags))
+@work_router.command(Command(trigger='--gbP', description='Start Solving', flags=flags))
 def command_start_solving(args: dict):
     print('Solving...')
     pprint(args)
diff --git a/tests/test_router.py b/tests/test_router.py
index a4780b2..c3fdb3f 100644
--- a/tests/test_router.py
+++ b/tests/test_router.py
@@ -1,7 +1,7 @@
 from argenta.command.params.flag import FlagsGroup, Flag
 from argenta.router import Router
 from argenta.command import Command
-from argenta.router.exceptions import RepeatedCommandException
+from argenta.router.exceptions import RepeatedCommandException, TriggerCannotContainSpacesException
 
 import unittest
 
@@ -109,6 +109,13 @@ class TestRouter(unittest.TestCase):
             def test():
                 return 'correct result'
 
+    def test_register_command_with_spaces_in_trigger(self):
+        router = Router()
+        with self.assertRaises(TriggerCannotContainSpacesException):
+            @router.command(Command(trigger='command with spaces'))
+            def test():
+                return 'correct result'
+