diff --git a/init-db.py b/init-db.py
index 7fbfb74..6d94d18 100755
--- a/init-db.py
+++ b/init-db.py
@@ -83,6 +83,7 @@ cursor.execute("CREATE TABLE IF NOT EXISTS status (id INT PRIMARY KEY AUTO_INCRE
 cursor.execute("CREATE TABLE IF NOT EXISTS topLevel (id INT PRIMARY KEY AUTO_INCREMENT, name CHAR(7) UNIQUE NOT NULL, status_id INT NOT NULL, FOREIGN KEY (status_id) REFERENCES status(id));")
 cursor.execute("CREATE TABLE IF NOT EXISTS secondLevel (id INT PRIMARY KEY AUTO_INCREMENT, name CHAR(7) UNIQUE NOT NULL, status_id INT NOT NULL, parent_id INT NOT NULL, FOREIGN KEY (status_id) REFERENCES status(id), FOREIGN KEY (parent_id) REFERENCES topLevel(id));")
 cursor.execute("CREATE TABLE IF NOT EXISTS tile (id INT PRIMARY KEY AUTO_INCREMENT, status_id INT NOT NULL, parent_id INT NOT NULL, FOREIGN KEY (status_id) REFERENCES status(id), FOREIGN KEY (parent_id) REFERENCES secondLevel(id));")
+cursor.execute("CREATE INDEX IF NOT EXISTS tile_index on tile(status_id, parent_id);")
 
 
 for state in states: