diff --git a/admin_server.py b/admin_server.py
index 9f20939..a68f45f 100644
--- a/admin_server.py
+++ b/admin_server.py
@@ -298,13 +298,11 @@ def _seed_data(conn: sqlite3.Connection):
         ("Canteen",), ("Hobart",), ("Vollrath",), ("Metro",),
         ("Rubbermaid",), ("Cambro",), ("Other",),
     ])
-    # Seed default admin user
-    existing = conn.execute("SELECT COUNT(*) FROM users").fetchone()[0]
-    if existing == 0:
-        conn.execute(
-            "INSERT INTO users (username, password_hash, role) VALUES (?, ?, ?)",
-            ("admin", "057ba03d6c44104863dc7361fe4578965d1887360f90a0895882e58a6248fc86", "admin"),
-        )
+    # Ensure default admin user exists
+    conn.execute(
+        "INSERT OR IGNORE INTO users (username, password_hash, role) VALUES (?, ?, ?)",
+        ("admin", "057ba03d6c44104863dc7361fe4578965d1887360f90a0895882e58a6248fc86", "admin"),
+    )
 
 
 def init_db(conn: sqlite3.Connection):