diff --git a/app/src/main/res/xml/preferences.xml b/app/src/main/res/xml/preferences.xml
index 13cec585..0b8bfac2 100644
--- a/app/src/main/res/xml/preferences.xml
+++ b/app/src/main/res/xml/preferences.xml
@@ -33,7 +33,7 @@
             android:summary="@string/theme_summary"
             android:entries="@array/theme_modes"
             android:entryValues="@array/theme_modes_values"
-            android:defaultValue="LIGHT"/>
+            android:defaultValue="Light"/>
 
         <ListPreference
             android:defaultValue="Blue"