diff --git a/dashmachine/user_system/forms.py b/dashmachine/user_system/forms.py
old mode 100755
new mode 100644
index 3edf26b..7372c67
--- a/dashmachine/user_system/forms.py
+++ b/dashmachine/user_system/forms.py
@@ -8,7 +8,7 @@ from wtforms.validators import DataRequired, Length
 
 
 class UserForm(FlaskForm):
-    username = StringField(validators=[DataRequired(), Length(min=4, max=120)])
+    username = StringField(validators=[DataRequired(), Length(min=1, max=120)])
 
     password = PasswordField(validators=[DataRequired(), Length(min=8, max=120)])