diff --git a/samples/sample.r b/samples/sample.r
index e7c39a882c..b670509bbe 100644
--- a/samples/sample.r
+++ b/samples/sample.r
@@ -1,3 +1,7 @@
+type 'carb' {};
+
+resource 'carb'(0) {};
+
 data 'vers' (2) {
 $"0100 2000 0000 0531 2E30 6430 0531 2E30"
 $"6430"} ;