diff --git a/client/components/cards/cardDetails.js b/client/components/cards/cardDetails.js
index f47806335..95d018d2c 100644
--- a/client/components/cards/cardDetails.js
+++ b/client/components/cards/cardDetails.js
@@ -537,6 +537,9 @@ BlazeComponent.extendComponent({
   },
 }).register('cardDetails');
 
+Template.cardDetailsPopup.onDestroyed(() => {
+  Session.delete('popupCard');
+});
 Template.cardDetailsPopup.helpers({
   popupCard() {
     const ret = Utils.getPopupCard();