diff --git a/src/modules/systemlib/param/param.c b/src/modules/systemlib/param/param.c
index 5958399252..1973704738 100644
--- a/src/modules/systemlib/param/param.c
+++ b/src/modules/systemlib/param/param.c
@@ -235,7 +235,9 @@ param_find_changed(param_t param)
 static void
 param_notify_changes(bool is_saved)
 {
-	struct parameter_update_s pup = { .timestamp = hrt_absolute_time(), .saved = is_saved};
+	struct parameter_update_s pup;
+	pup.timestamp = hrt_absolute_time();
+	pup.saved = is_saved;
 
 	/*
 	 * If we don't have a handle to our topic, create one now; otherwise
diff --git a/unittests/CMakeLists.txt b/unittests/CMakeLists.txt
index edaaa60423..5d39cc4bb7 100644
--- a/unittests/CMakeLists.txt
+++ b/unittests/CMakeLists.txt
@@ -170,6 +170,7 @@ add_gtest(sf0x_test)
 add_executable(param_test param_test.cpp uorb_stub.cpp
 						${PX4_SRC}/modules/systemlib/bson/tinybson.c
 						${PX4_SRC}/modules/systemlib/param/param.c)
+target_link_libraries(param_test ${PX4_SITL_BUILD}/libmsg_gen.a)
 add_gtest(param_test)
 
 # param_shmem_test