diff --git a/application/Espo/Core/Utils/ClientManager.php b/application/Espo/Core/Utils/ClientManager.php
index 793715aac0..32aee81dfa 100644
--- a/application/Espo/Core/Utils/ClientManager.php
+++ b/application/Espo/Core/Utils/ClientManager.php
@@ -155,6 +155,7 @@ class ClientManager
             'linksHtml' => $linksHtml,
             'favicon196Path' => $this->getMetadata()->get(['app', 'client', 'favicon196']) ?? 'client/img/favicon196x196.png',
             'faviconPath' => $this->getMetadata()->get(['app', 'client', 'favicon']) ?? 'client/img/favicon.ico',
+            'ajaxTimeout' => $this->getConfig()->get('ajaxTimeout') ?? 60000,
         ];
 
         $html = file_get_contents($htmlFilePath);
diff --git a/client/src/app.js b/client/src/app.js
index 44e60b9cff..ba9ca36f43 100644
--- a/client/src/app.js
+++ b/client/src/app.js
@@ -93,6 +93,8 @@ define(
         this.url = options.url || this.url;
         this.basePath = options.basePath || '';
 
+        this.ajaxTimeout = options.ajaxTimeout || 0;
+
         this.appParams = {};
 
         this.loader = Espo.loader;
@@ -644,7 +646,7 @@ define(
                     }
                 },
                 dataType: 'json',
-                timeout: 60000,
+                timeout: this.ajaxTimeout,
                 contentType: 'application/json'
             });
 
diff --git a/html/main.html b/html/main.html
index 02c928570a..8b0b2ae4cc 100644
--- a/html/main.html
+++ b/html/main.html
@@ -21,7 +21,8 @@
                         useCache: {{useCache}},
                         cacheTimestamp: {{cacheTimestamp}},
                         basePath: '{{basePath}}',
-                        url: '{{apiUrl}}'
+                        url: '{{apiUrl}}',
+                        ajaxTimeout: {{ajaxTimeout}},
                     }, function (app) {
                         {{runScript}}
                     });