diff --git a/js/libtextsecure.js b/js/libtextsecure.js
index ff7d2b0f26..7b633dabdd 100644
--- a/js/libtextsecure.js
+++ b/js/libtextsecure.js
@@ -39846,7 +39846,7 @@ window.textsecure.messaging = function() {
         return sendIndividualProto(number, proto, Date.now()).then(function(res) {
             return textsecure.storage.devices.getDeviceObjectsForNumber(number).then(function(devices) {
                 return Promise.all(devices.map(function(device) {
-                    return textsecure.protocol_wrapper.closeOpenSessionForDevice(devices.encodedNumber);
+                    return textsecure.protocol_wrapper.closeOpenSessionForDevice(device.encodedNumber);
                 })).then(function() {
                     return res;
                 });
diff --git a/libtextsecure/sendmessage.js b/libtextsecure/sendmessage.js
index 7ff71134cf..263a285952 100644
--- a/libtextsecure/sendmessage.js
+++ b/libtextsecure/sendmessage.js
@@ -321,7 +321,7 @@ window.textsecure.messaging = function() {
         return sendIndividualProto(number, proto, Date.now()).then(function(res) {
             return textsecure.storage.devices.getDeviceObjectsForNumber(number).then(function(devices) {
                 return Promise.all(devices.map(function(device) {
-                    return textsecure.protocol_wrapper.closeOpenSessionForDevice(devices.encodedNumber);
+                    return textsecure.protocol_wrapper.closeOpenSessionForDevice(device.encodedNumber);
                 })).then(function() {
                     return res;
                 });