diff --git a/build_tests/queue.cc b/build_tests/queue.cc
index 3be667e..7f67f6a 100644
--- a/build_tests/queue.cc
+++ b/build_tests/queue.cc
@@ -1,7 +1,12 @@
+#include <stdio.h>
+
 #include "build_tests/queue.q.h"
 
 int main() {
-  ::build_tests::TestStruct s;
+  ::build_tests::TestMessage s;
   s.field = 971;
-  return (s.field == 971) ? 0 : 1;
+  char buffer[1024];
+  s.Print(buffer, sizeof(buffer));
+  buffer[sizeof(buffer) - 1] = '\0';
+  printf("s = {%s}\n", buffer);
 }