diff --git a/roulette.py b/roulette.py
index 1360000..78b256f 100644
--- a/roulette.py
+++ b/roulette.py
@@ -108,7 +108,7 @@ def get_player_from_full_name(firstname, name):
         machines.id,machines.ip,players.ban_end
         from players
         inner join machines on players.id=machines.player_id
-        where players.firstname=%s and players.name=%s"""% [firstname, name])
+        where players.firstname=%s and players.name=%s"""% firstname, name)
 
     row = cur.fetchone()
     con.close()
@@ -206,11 +206,11 @@ def ban(player_id, target_id, success):
     ban_end = time() + BAN_DURATION
 
     cur.execute("""update players set ban_end=%f
-            where id=%i"""% [ban_end, banned_player['id']])
+            where id=%i"""% (ban_end, banned_player['id']))
 
     cur.execute("""insert into bans (player_id,target_id,success,time)
-            values %i,%i,%i,%f"""% [player['id'], target['id'], \
-                    success and 1 or 0, time()])
+            values %i,%i,%i,%f"""% (player['id'], target['id'], \
+                    success and 1 or 0, time())
     con.commit()
     con.close()
 
@@ -220,7 +220,7 @@ def unban(player_id):
     cur = con.cursor()
 
     cur.execute("""update players set ban_end=%f
-            where id=%i"""% [time() - BAN_DURATION, player_id])
+            where id=%i"""% (time() - BAN_DURATION, player_id))
 
     con.commit()
     con.close()