diff --git a/handlers.py b/handlers.py
index b412003..d86b235 100644
--- a/handlers.py
+++ b/handlers.py
@@ -485,7 +485,7 @@ class FileServerHandler(BaseHTTPRequestHandler):
                 "INSERT INTO users (username, password_hash, quota_mb) VALUES (?, ?, ?)",
                 (username, hash_password(password), quota_mb),
             )
-            DB_CONN.commit()
+            database.DB_CONN.commit()
             self.send_html("<h1>Account created</h1>")
         except sqlite3.IntegrityError:
             self.send_html("<h1>Username already exists</h1>", 409)