diff --git a/js/libtextsecure.js b/js/libtextsecure.js
index 4f7113cb..05fe834a 100644
--- a/js/libtextsecure.js
+++ b/js/libtextsecure.js
@@ -74,10 +74,10 @@
     OutgoingMessageError.prototype = new ReplayableError();
     OutgoingMessageError.prototype.constructor = OutgoingMessageError;
 
-    function SendMessageNetworkError(number, jsonData, httpError) {
+    function SendMessageNetworkError(number, jsonData, httpError, timestamp) {
         ReplayableError.call(this, {
             functionCode : Type.TRANSMIT_MESSAGE,
-            args         : [number, jsonData]
+            args         : [number, jsonData, timestamp]
         });
         this.name = 'SendMessageNetworkError';
         this.number = number;
@@ -37249,7 +37249,7 @@ OutgoingMessage.prototype = {
             if (e.name === 'HTTPError' && (e.code !== 409 && e.code !== 410)) {
                 // 409 and 410 should bubble and be handled by doSendMessage
                 // all other network errors can be retried later.
-                throw new textsecure.SendMessageNetworkError(number, jsonData, e);
+                throw new textsecure.SendMessageNetworkError(number, jsonData, e, timestamp);
             }
             throw e;
         });
diff --git a/libtextsecure/errors.js b/libtextsecure/errors.js
index d023fce3..f3521151 100644
--- a/libtextsecure/errors.js
+++ b/libtextsecure/errors.js
@@ -73,10 +73,10 @@
     OutgoingMessageError.prototype = new ReplayableError();
     OutgoingMessageError.prototype.constructor = OutgoingMessageError;
 
-    function SendMessageNetworkError(number, jsonData, httpError) {
+    function SendMessageNetworkError(number, jsonData, httpError, timestamp) {
         ReplayableError.call(this, {
             functionCode : Type.TRANSMIT_MESSAGE,
-            args         : [number, jsonData]
+            args         : [number, jsonData, timestamp]
         });
         this.name = 'SendMessageNetworkError';
         this.number = number;
diff --git a/libtextsecure/outgoing_message.js b/libtextsecure/outgoing_message.js
index 51230af0..194cb7b9 100644
--- a/libtextsecure/outgoing_message.js
+++ b/libtextsecure/outgoing_message.js
@@ -91,7 +91,7 @@ OutgoingMessage.prototype = {
             if (e.name === 'HTTPError' && (e.code !== 409 && e.code !== 410)) {
                 // 409 and 410 should bubble and be handled by doSendMessage
                 // all other network errors can be retried later.
-                throw new textsecure.SendMessageNetworkError(number, jsonData, e);
+                throw new textsecure.SendMessageNetworkError(number, jsonData, e, timestamp);
             }
             throw e;
         });