diff --git a/aiogram/dispatcher/filters/command.py b/aiogram/dispatcher/filters/command.py
index 6eef0c3c..0fa49b30 100644
--- a/aiogram/dispatcher/filters/command.py
+++ b/aiogram/dispatcher/filters/command.py
@@ -41,6 +41,9 @@ class Command(BaseFilter):
         :param bot:
         :return:
         """
+        if not text.strip():
+            return False
+
         # First step: separate command with arguments
         # "/command@mention arg1 arg2" -> "/command@mention", ["arg1 arg2"]
         full_command, *args = text.split(maxsplit=1)
diff --git a/tests/test_dispatcher/test_filters/test_command.py b/tests/test_dispatcher/test_filters/test_command.py
index f312c235..319ae2fa 100644
--- a/tests/test_dispatcher/test_filters/test_command.py
+++ b/tests/test_dispatcher/test_filters/test_command.py
@@ -29,10 +29,17 @@ class TestCommandFilter:
         )
         command = Command(commands=["test", re.compile(r"test(\d+)")], commands_prefix="/")
 
+        assert await command.parse_command("/test@tbot", bot)
         assert not await command.parse_command("!test", bot)
         assert not await command.parse_command("/test@mention", bot)
-        assert await command.parse_command("/test@tbot", bot)
         assert not await command.parse_command("/tests", bot)
+        assert not await command.parse_command("/", bot)
+        assert not await command.parse_command("/ test", bot)
+        assert not await command.parse_command("", bot)
+        assert not await command.parse_command(" ", bot)
+        assert not await command.parse_command("test", bot)
+        assert not await command.parse_command(" test", bot)
+        assert not await command.parse_command("a", bot)
 
         result = await command.parse_command("/test@tbot some args", bot)
         assert isinstance(result, dict)