diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index a91fc5bbe6..aaf0058735 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -10,6 +10,7 @@ Changelog
  * Fix: Inline panel first and last sorting arrows correctly hidden in non-default tabs (Matt Westcott)
  * Fix: `WAGTAILAPI_LIMIT_MAX` now accepts None to disable limiting (jcronyn)
  * Fix: In PostgreSQL, new default ordering when ranking of objects is the same (Bertrand Bordage)
+ * Fix: Enabled translations within date-time chooser widget (Lucas Moeskops)
 
 
 1.12 LTS (21.08.2017)
diff --git a/docs/releases/1.13.rst b/docs/releases/1.13.rst
index fabe34af0d..2c4a15a814 100644
--- a/docs/releases/1.13.rst
+++ b/docs/releases/1.13.rst
@@ -25,6 +25,7 @@ Bug fixes
  * Inline panel first and last sorting arrows correctly hidden in non-default tabs (Matt Westcott)
  * ``WAGTAILAPI_LIMIT_MAX`` now accepts None to disable limiting (jcronyn)
  * In PostgreSQL, new default ordering when ranking of objects is the same (Bertrand Bordage)
+ * Enabled translations within date-time chooser widget (Lucas Moeskops)
 
 
 Upgrade considerations
diff --git a/wagtail/wagtailadmin/static_src/wagtailadmin/js/page-editor.js b/wagtail/wagtailadmin/static_src/wagtailadmin/js/page-editor.js
index 5ca3a72bf0..cd1166d7d5 100644
--- a/wagtail/wagtailadmin/static_src/wagtailadmin/js/page-editor.js
+++ b/wagtail/wagtailadmin/static_src/wagtailadmin/js/page-editor.js
@@ -86,7 +86,7 @@ function initDateTimeChooser(id, opts) {
             i18n: {
                 lang: window.dateTimePickerTranslations
             },
-            language: 'lang',
+            lang: 'lang',
             onGenerate: hideCurrent
         }, opts || {}));
     } else {