diff --git a/G-Earth/src/main/java/gearth/GEarth.java b/G-Earth/src/main/java/gearth/GEarth.java
index 5fce2d0..367b1f2 100644
--- a/G-Earth/src/main/java/gearth/GEarth.java
+++ b/G-Earth/src/main/java/gearth/GEarth.java
@@ -110,7 +110,7 @@ public class GEarth extends Application {
     }
 
     private void setGearthTheme(Theme theme) {
-        Cacher.put("theme", theme.internalName());
+        Cacher.put("theme", theme.title());
         themeObservable.fireEvent(t -> t.accept(theme));
         GEarth.theme = theme;
         Theme defaultTheme = ThemeFactory.getDefaultTheme();