diff --git a/ide/ui/ide-orion/src/main/resources/ide-orion/editor.html b/ide/ui/ide-orion/src/main/resources/ide-orion/editor.html
index a62619cba0b..bca0fae24cd 100644
--- a/ide/ui/ide-orion/src/main/resources/ide-orion/editor.html
+++ b/ide/ui/ide-orion/src/main/resources/ide-orion/editor.html
@@ -101,6 +101,8 @@
 					return 'application/json';
 				} else if (fileName.endsWith('.command')) {
 					return 'application/json';
+				} else if (fileName.endsWith('.xsjs')) {
+					return 'application/javascript';
 				}
 				return 'plain/text';
 			}
diff --git a/ide/ui/ide-preview/src/main/resources/ide-preview/preview.js b/ide/ui/ide-preview/src/main/resources/ide-preview/preview.js
index 3f69dfa02ca..02cd0be3feb 100644
--- a/ide/ui/ide-preview/src/main/resources/ide-preview/preview.js
+++ b/ide/ui/ide-preview/src/main/resources/ide-preview/preview.js
@@ -49,6 +49,9 @@ angular.module('preview', [])
 			case 'js':
 				url += '/js';
 				break;
+			case 'xsjs':
+				url += '/xsc';
+				break;
 			case 'md':
 				url += '/wiki';
 				break;