diff --git a/main.py b/main.py
index 725947b..fd88673 100755
--- a/main.py
+++ b/main.py
@@ -53,10 +53,14 @@ def _init_db(conn: sqlite3.Connection):
             game, player, name, specie,
             UNIQUE(game, player, specie)
         );
-        """
-    )
-    conn.execute(
-        """
+        CREATE TABLE IF NOT EXISTS knockouts(
+            game, turn, player, name,
+            UNIQUE(game, turn, player)
+        );
+        CREATE TABLE IF NOT EXISTS games(
+            id, p1, p2, format, uploadtime,
+            UNIQUE(id)
+        )
         """
     )