diff --git a/code/database.py b/code/database.py
index 509b88a..d09901b 100644
--- a/code/database.py
+++ b/code/database.py
@@ -131,7 +131,7 @@ class Data_table(Table):
             f'CREATE TABLE {self._name} '
             '('
             'id SERIAL PRIMARY KEY, '
-            'username VARCHAR(15) NOT NULL, '
+            'username VARCHAR(150) NOT NULL, '
             'time TIMESTAMPTZ NOT NULL, '
             'content TEXT NOT NULL, '
             'UNIQUE (username, time, content) '