diff --git a/js/libtextsecure.js b/js/libtextsecure.js
index 32087a88b..c61c81110 100644
--- a/js/libtextsecure.js
+++ b/js/libtextsecure.js
@@ -37058,6 +37058,8 @@ MessageReceiver.prototype.extend({
                             var ev = new Event('group');
                             ev.groupDetails = groupDetails;
                             eventTarget.dispatchEvent(ev);
+                        }).catch(function(e) {
+                            console.log('error processing group', groupDetails.id, e);
                         });
                 })(groupDetails);
                 groupDetails = groupBuffer.next();
diff --git a/libtextsecure/message_receiver.js b/libtextsecure/message_receiver.js
index f2612b140..a00c4b6a8 100644
--- a/libtextsecure/message_receiver.js
+++ b/libtextsecure/message_receiver.js
@@ -244,6 +244,8 @@ MessageReceiver.prototype.extend({
                             var ev = new Event('group');
                             ev.groupDetails = groupDetails;
                             eventTarget.dispatchEvent(ev);
+                        }).catch(function(e) {
+                            console.log('error processing group', groupDetails.id, e);
                         });
                 })(groupDetails);
                 groupDetails = groupBuffer.next();