diff --git a/mg/create_dwa.csh b/mg/create_dwa.csh
index f02fe3a..c95a85b 100644
--- a/mg/create_dwa.csh
+++ b/mg/create_dwa.csh
@@ -11,7 +11,7 @@ if ( $2 == "" ) then
     exit
 endif
 
-if ( $2 != "aoi" && $2 != "aoi-dbg" ) then
+if ( $2 != "aoi" && $2 != "aoi-dbg" && $2 != "aoh" ) then
     echo 'VCO is unknown.'
     exit
 endif