diff --git a/java/res/xml-sw600dp/row_dvorak4.xml b/java/res/xml-sw600dp/row_dvorak4.xml
index 47cee4585..969cc145e 100644
--- a/java/res/xml-sw600dp/row_dvorak4.xml
+++ b/java/res/xml-sw600dp/row_dvorak4.xml
@@ -23,7 +23,7 @@
 >
     <Row
         latin:keyWidth="9.0%p"
-        backgroundType="functional"
+        latin:backgroundType="functional"
     >
         <Key
             latin:keyStyle="toSymbolKeyStyle"