diff --git a/java/res/xml-sw600dp/row_dvorak4.xml b/java/res/xml-sw600dp/row_dvorak4.xml
index 47cee45851cdb174015e192cf0ff0736841ab983..969cc145e6b7dd77f0fe31604ef1b9b8dd311be2 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"