diff --git a/core/ajax/jeedom.ajax.php b/core/ajax/jeedom.ajax.php
index efa538d3fe..fbbc42d6c9 100644
--- a/core/ajax/jeedom.ajax.php
+++ b/core/ajax/jeedom.ajax.php
@@ -115,6 +115,9 @@
 				$page = 'administration';
 			}
 			$version = substr(jeedom::version(), 0, 3);
+			if (init('remoteVersion') != '') {
+				$version = substr(init('remoteVersion'), 0, 3);
+			}
 			ajax::success(config::byKey('doc::base_url', 'core') . '/' . config::byKey('language', 'core', 'fr_FR') . '/core/' . $version . '/' . secureXSS($page) . '?theme=' . $theme);
 		}
 		throw new Exception(__('Aucune documentation trouvée', __FILE__), -1234);
diff --git a/core/js/jeedom.class.js b/core/js/jeedom.class.js
index d8b6e26014..5d79b1077c 100644
--- a/core/js/jeedom.class.js
+++ b/core/js/jeedom.class.js
@@ -756,6 +756,7 @@ jeedom.getDocumentationUrl = function(_params) {
     plugin: params.plugin || null,
     page: params.page || null,
     theme: params.theme || null,
+    remoteVersion: params.remoteVersion || null,
   }
   domUtils.ajax(paramsAJAX)
 }
diff --git a/desktop/js/update.js b/desktop/js/update.js
index 2da798747a..f80ceba932 100644
--- a/desktop/js/update.js
+++ b/desktop/js/update.js
@@ -561,6 +561,24 @@ if (!jeeFrontEnd.update) {
               check_backupBefore.removeAttribute('disabled')
             }
           })
+
+          contentEl.querySelector('#bt_changelogCore').addEventListener('click', function(event) {
+            jeedom.getDocumentationUrl({
+              page: 'changelog',
+              theme: document.body.getAttribute('data-theme'),
+              remoteVersion: document.querySelector('tr[data-logicalid="jeedom"] [data-l1key="remoteVersion"]').textContent,
+              error: function(error) {
+                jeedomUtils.showAlert({
+                  attachTo: jeeDialog.get('#md_specifyUpdate', 'dialog'),
+                  message: error.message,
+                  level: 'danger'
+                })
+              },
+              success: function(url) {
+                window.open(url, '_blank')
+              }
+            })
+          })
         },
         onShown: function() {
           jeeDialog.get('#md_update', 'content').querySelector('#md_specifyUpdate').removeClass('hidden')
diff --git a/desktop/php/update.php b/desktop/php/update.php
index 5d7295083a..47400a9817 100644
--- a/desktop/php/update.php
+++ b/desktop/php/update.php
@@ -49,7 +49,7 @@
 				<a class="btn btn-info btn-sm roundedLeft" id="bt_checkAllUpdate"><i class="fas fa-sync"></i> {{Vérifier les mises à jour}}
 				</a><a class="btn btn-success btn-sm" id="bt_saveUpdate"><i class="fas fa-check-circle"></i> {{Sauvegarder}}
 				</a><?php if ($showUpdate == true) { ?><a href="#" class="btn btn-sm btn-warning roundedRight updateJeedom"><i class="fas fa-check"></i> {{Mettre à jour}}
-					</a><?php } ?>
+				</a><?php } ?>
 			</span>
 		</div>
 		<br /><br />
@@ -127,7 +127,11 @@
 			<form class="form-horizontal">
 				<fieldset>
 					<div class="alert alert-warning">
-						{{Avant toute mise à jour, merci de consulter le}} <span class="bt_changelogCore label cursor alert-info">{{changelog}}</span> {{du Core}}.
+						{{Avant toute mise à jour, merci de consulter le}}
+						<a class="btn btn-xs" id="bt_changelogCore" target="_blank"><i class="fas fa-book"></i>
+							{{Changelog}}
+						</a>
+						{{du Core}}.
 					</div>
 					<?php if (config::byKey('core::branch') == 'beta' || config::byKey('core::branch') == 'alpha') { ?>
 						<div class="alert alert-danger">