diff --git a/test/ext/vapi_cpp_test.cpp b/test/ext/vapi_cpp_test.cpp
index 46a2c0e..284b211 100644
--- a/test/ext/vapi_cpp_test.cpp
+++ b/test/ext/vapi_cpp_test.cpp
@@ -49,11 +49,8 @@
   auto &p = r.get_payload ();
   printf ("show_version_reply: program: `%s', version: `%s', build directory: "
           "`%s', build date: `%s'\n",
-          vl_api_from_api_string (&p.program),
-          vl_api_from_api_string (&p.version),
-          vl_api_from_api_string (&p.build_directory),
-          vl_api_from_api_string (&p.build_date));
-  ck_assert_str_eq ("vpe", (char *)vl_api_from_api_string (&p.program));
+          p.program, p.version, p.build_directory, p.build_date);
+  ck_assert_str_eq ("vpe", (char *)p.program);
 }
 
 Connection con;