diff --git a/scm-webapp/src/main/webapp/resources/js/sonia.global.js b/scm-webapp/src/main/webapp/resources/js/sonia.global.js
index 25b8cb1db0..7246da041e 100644
--- a/scm-webapp/src/main/webapp/resources/js/sonia.global.js
+++ b/scm-webapp/src/main/webapp/resources/js/sonia.global.js
@@ -28,9 +28,15 @@
  * http://bitbucket.org/sdorra/scm-manager
  *
  */
+
 // enable debug mode, if console is available
 var debug = typeof console != 'undefined' && typeof console.debug != 'undefined';
 
+// send X-SCM-Client on every ajax request
+Ext.Ajax.defaultHeaders = {
+  'X-SCM-Client': 'WUI'
+};
+
 var state = null;
 var admin = false;