diff --git a/gui/theme/landscape_mdpi/ui.xml b/gui/theme/landscape_mdpi/ui.xml
index ae40683..293742e 100644
--- a/gui/theme/landscape_mdpi/ui.xml
+++ b/gui/theme/landscape_mdpi/ui.xml
@@ -6,6 +6,7 @@
 		<title>Backup Naowz</title>
 		<description>Default basic theme</description>
 		<preview>preview.jpg</preview>
+		<themeversion>1</themeversion>
 	</details>
 
 	<include>