diff --git a/frontend-vue/src/views/EndGameView.vue b/frontend-vue/src/views/EndGameView.vue
index 882d7d0..d98b61b 100644
--- a/frontend-vue/src/views/EndGameView.vue
+++ b/frontend-vue/src/views/EndGameView.vue
@@ -15,7 +15,7 @@ const lastGame: {
 const timesShuffled = lastGame.history.filter(el => el === 'shuffle').length;
 const cardsDrawen = lastGame.history.filter(el => el.startsWith('+')).length;
 const cardsPlayed = lastGame.history.filter(el => el.startsWith('>')).length;
-const timeDiff = Math.ceil((new Date(lastGame.endTime) - new Date(lastGame.startTime)) / 1000); //in ms
+const timeDiff = Math.ceil((new Date(lastGame.endTime).getTime() - new Date(lastGame.startTime).getTime()) / 1000); //in ms
 console.log(lastGame, timeDiff)
 
 const navigate = () => {