diff --git a/resource/demo/Demo.gf b/resource/demo/Demo.gf
index 8378d48d7..9bc62509a 100644
--- a/resource/demo/Demo.gf
+++ b/resource/demo/Demo.gf
@@ -13,5 +13,9 @@ abstract Demo =
 ----  Text,
 ----  Idiom,
   Structural - [everybody_NP,everything_NP,something_NP],
-  Lexicon ;
+  Lexicon ** {
+
+flags startcat = Phr ;
+
+}