diff --git a/src/rooms/commands/NextTurnCommand.ts b/src/rooms/commands/NextTurnCommand.ts
index a404d24..17fdde1 100644
--- a/src/rooms/commands/NextTurnCommand.ts
+++ b/src/rooms/commands/NextTurnCommand.ts
@@ -28,7 +28,7 @@ export class NextTurnCommand extends Command<CardGameState, {}> {
                 let moreRoundTime = singleton(GameEnv).roundExtTime * 1000;
                 let maxTime = 20 * 1000;
                 for (let [, p] of this.state.players) {
-                    p.extraTime = Math.min(p.extraTime + moreRoundTime * 1000, maxTime);
+                    p.extraTime = Math.min(p.extraTime + moreRoundTime, maxTime);
                 }
             }
         }