diff --git a/ts/domtools.classes.thememanager.ts b/ts/domtools.classes.thememanager.ts
index 7be89bc..3c48ab4 100644
--- a/ts/domtools.classes.thememanager.ts
+++ b/ts/domtools.classes.thememanager.ts
@@ -5,7 +5,7 @@ import * as plugins from './domtools.plugins';
 export class ThemeManager {
   public domtoolsRef: DomTools;
   
-  goBrightBoolean = false;
+  public goBrightBoolean = false;
 
   constructor(domtoolsRefArg: DomTools) {
     this.domtoolsRef = domtoolsRefArg;