diff --git a/client/components/activities/comments.js b/client/components/activities/comments.js
index 9b6aedd69..137b6872f 100644
--- a/client/components/activities/comments.js
+++ b/client/components/activities/comments.js
@@ -21,11 +21,18 @@ BlazeComponent.extendComponent({
       'submit .js-new-comment-form'(evt) {
         const input = this.getInput();
         const text = input.val().trim();
+        const card = this.currentData();
+        let boardId = card.boardId;
+        let cardId = card._id;
+        if (card.isImportedCard()) {
+          boardId = Cards.findOne(card.importedId).boardId;
+          cardId = card.importedId;
+        }
         if (text) {
           CardComments.insert({
             text,
-            boardId: this.currentData().boardId,
-            cardId: this.currentData()._id,
+            boardId,
+            cardId,
           });
           resetCommentInput(input);
           Tracker.flush();
diff --git a/client/components/cards/attachments.js b/client/components/cards/attachments.js
index bc7d3979b..1a4d5bb64 100644
--- a/client/components/cards/attachments.js
+++ b/client/components/cards/attachments.js
@@ -57,8 +57,13 @@ Template.cardAttachmentsPopup.events({
     const card = this;
     FS.Utility.eachFile(evt, (f) => {
       const file = new FS.File(f);
-      file.boardId = card.boardId;
-      file.cardId = card._id;
+      if (card.isImportedCard()) {
+        file.boardId = Cards.findOne(card.importedId).boardId;
+        file.cardId = card.importedId;
+      } else {
+        file.boardId = card.boardId;
+        file.cardId = card._id;
+      }
       file.userId = Meteor.userId();
 
       const attachment = Attachments.insert(file);
diff --git a/models/cards.js b/models/cards.js
index 9a715ca3d..b295a4fe8 100644
--- a/models/cards.js
+++ b/models/cards.js
@@ -181,19 +181,33 @@ Cards.helpers({
   },
 
   isAssigned(memberId) {
-    return _.contains(this.members, memberId);
+    return _.contains(this.getMembers(), memberId);
   },
 
   activities() {
-    return Activities.find({cardId: this._id}, {sort: {createdAt: -1}});
+    if (this.isImportedCard()) {
+      return Activities.find({cardId: this.importedId}, {sort: {createdAt: -1}});
+    } else if (this.isImportedBoard()) {
+      return Activities.find({boardId: this.importedId}, {sort: {createdAt: -1}});
+    } else {
+      return Activities.find({cardId: this._id}, {sort: {createdAt: -1}});
+    }
   },
 
   comments() {
-    return CardComments.find({cardId: this._id}, {sort: {createdAt: -1}});
+    if (this.isImportedCard()) {
+      return CardComments.find({cardId: this.importedId}, {sort: {createdAt: -1}});
+    } else {
+      return CardComments.find({cardId: this._id}, {sort: {createdAt: -1}});
+    }
   },
 
   attachments() {
-    return Attachments.find({cardId: this._id}, {sort: {uploadedAt: -1}});
+    if (this.isImportedCard()) {
+      return Attachments.find({cardId: this.importedId}, {sort: {uploadedAt: -1}});
+    } else {
+      return Attachments.find({cardId: this._id}, {sort: {uploadedAt: -1}});
+    }
   },
 
   cover() {
diff --git a/server/publications/boards.js b/server/publications/boards.js
index bf75196a2..1d95c3d93 100644
--- a/server/publications/boards.js
+++ b/server/publications/boards.js
@@ -99,8 +99,18 @@ Meteor.publishRelations('board', function(boardId) {
     // And in the meantime our code below works pretty well -- it's not even a
     // hack!
     this.cursor(Cards.find({ boardId }), function(cardId, card) {
-      this.cursor(Cards.find({_id: card.importedId}));
-      this.cursor(Boards.find({_id: card.importedId}));
+      if (card.type === 'cardType-importedCard') {
+        const impCardId = card.importedId;
+        this.cursor(Cards.find({ _id: impCardId }));
+        this.cursor(CardComments.find({ cardId: impCardId }));
+        this.cursor(Activities.find({ cardId: impCardId }));
+        this.cursor(Attachments.find({ cardId: impCardId }));
+        this.cursor(Checklists.find({ cardId: impCardId }));
+        this.cursor(ChecklistItems.find({ cardId: impCardId }));
+      } else if (card.type === 'cardType-importedBoard') {
+        this.cursor(Boards.find({ _id: card.importedId}));
+      }
+      this.cursor(Activities.find({ cardId }));
       this.cursor(CardComments.find({ cardId }));
       this.cursor(Attachments.find({ cardId }));
       this.cursor(Checklists.find({ cardId }));