diff --git a/client/src/models/Card.js b/client/src/models/Card.js
index 6ddd3005..da21f0d4 100755
--- a/client/src/models/Card.js
+++ b/client/src/models/Card.js
@@ -86,10 +86,21 @@ export default class extends Model {
         Card.upsert(payload.card);
 
         break;
-      case ActionTypes.CARD_UPDATE:
-        Card.withId(payload.id).update(payload.data);
+      case ActionTypes.CARD_UPDATE: {
+        const card = Card.withId(payload.id);
+
+        // FIXME: hack
+        if (payload.data.boardId && payload.data.boardId !== card.boardId) {
+          card.isSubscribed = false;
+
+          card.users.clear();
+          card.labels.clear();
+        }
+
+        card.update(payload.data);
 
         break;
+      }
       case ActionTypes.CARD_DELETE:
         Card.withId(payload.id).deleteWithRelated();
 
diff --git a/server/api/helpers/update-card.js b/server/api/helpers/update-card.js
index 0ddd059f..b863c853 100644
--- a/server/api/helpers/update-card.js
+++ b/server/api/helpers/update-card.js
@@ -80,12 +80,32 @@ module.exports = {
 
     let card;
     if (!_.isEmpty(values)) {
+      // FIXME: hack
+      if (inputs.toList && inputs.toList.boardId !== inputs.list.boardId) {
+        await CardSubscription.destroy({
+          cardId: inputs.record.id,
+        });
+
+        await CardMembership.destroy({
+          cardId: inputs.record.id,
+        });
+
+        await CardLabel.destroy({
+          cardId: inputs.record.id,
+        });
+      }
+
       card = await Card.updateOne(inputs.record.id).set(values);
 
       if (!card) {
         return exits.success(card);
       }
 
+      // FIXME: hack
+      if (inputs.toList && inputs.toList.boardId !== inputs.list.boardId) {
+        card.isSubscribed = false;
+      }
+
       sails.sockets.broadcast(
         `board:${card.boardId}`,
         'cardUpdate',