diff --git a/app/message-attachments/client/messageAttachment.js b/app/message-attachments/client/messageAttachment.js
index 148db49fde2..7caf9b5bd1a 100644
--- a/app/message-attachments/client/messageAttachment.js
+++ b/app/message-attachments/client/messageAttachment.js
@@ -72,8 +72,8 @@ Template.messageAttachment.helpers({
 		return this.type === 'file';
 	},
 	isPDF() {
-		if (this.type === 'file' && this.title_link.endsWith('.pdf') && Template.parentData().file) {
-			this.fileId = Template.parentData().file._id;
+		if (this.type === 'file' && this.title_link.endsWith('.pdf') && Template.parentData().msg.file) {
+			this.fileId = Template.parentData().msg.file._id;
 			return true;
 		}
 		return false;