2 files changed, 7 insertions, 4 deletions
diff --git a/web/app/model/Device.js b/web/app/model/Device.js
index b8434d6ad..709d51953 100644
--- a/web/app/model/Device.js
+++ b/web/app/model/Device.js
@@ -33,6 +33,6 @@ Ext.define('Traccar.model.Device', {
     }, {
         name: 'lastUpdate',
         type: 'date',
-        dateWriteFormat: 'c'
+        dateFormat: 'c'
     }]
 });
diff --git a/web/app/model/Position.js b/web/app/model/Position.js
index 365b06115..e559a7eab 100644
--- a/web/app/model/Position.js
+++ b/web/app/model/Position.js
@@ -29,13 +29,16 @@ Ext.define('Traccar.model.Position', {
         type: 'int'
     }, {
         name: 'serverTime',
-        type: 'date'
+        type: 'date',
+        dateFormat: 'c'
     }, {
         name: 'deviceTime',
-        type: 'date'
+        type: 'date',
+        dateFormat: 'c'
     }, {
         name: 'fixTime',
-        type: 'date'
+        type: 'date',
+        dateFormat: 'c'
     }, {
         name: 'valid',
         type: 'boolean'