diff --git a/tests/nghttp2_frame_test.h b/tests/nghttp2_frame_test.h
index 059b20ba..8c0d6d5b 100644
--- a/tests/nghttp2_frame_test.h
+++ b/tests/nghttp2_frame_test.h
@@ -39,6 +39,7 @@ void test_nghttp2_frame_pack_ping(void);
 void test_nghttp2_frame_pack_goaway(void);
 void test_nghttp2_frame_pack_window_update(void);
 void test_nghttp2_frame_pack_altsvc(void);
+void test_nghttp2_frame_pack_origin(void);
 void test_nghttp2_nv_array_copy(void);
 void test_nghttp2_iv_check(void);