diff --git a/src/components/card/CardSidebar.vue b/src/components/card/CardSidebar.vue
index c162b8d90..516cd2c21 100644
--- a/src/components/card/CardSidebar.vue
+++ b/src/components/card/CardSidebar.vue
@@ -205,7 +205,7 @@ export default {
 	},
 	watch: {
 		currentCard(newCard, oldCard) {
-			if (newCard.id === oldCard?.id) return
+			if (newCard?.id === oldCard?.id) return
 			this.focusHeader()
 		},
 		'currentCard.title': {