diff --git a/src/libsystemd-network/test-ndisc-rs.c b/src/libsystemd-network/test-ndisc-rs.c
index c3e1a8e340..95c9311fc2 100644
--- a/src/libsystemd-network/test-ndisc-rs.c
+++ b/src/libsystemd-network/test-ndisc-rs.c
@@ -202,7 +202,7 @@ int icmp6_bind_router_advertisement(int index) {
 
 int icmp6_receive(int fd, void *iov_base, size_t iov_len,
                   struct in6_addr *dst, triple_timestamp *timestamp) {
-        assert (read (fd, iov_base, iov_len) == (ssize_t)iov_len);
+        assert_se(read (fd, iov_base, iov_len) == (ssize_t)iov_len);
 
         if (timestamp)
                 triple_timestamp_get(timestamp);
diff --git a/src/libsystemd/sd-event/test-event.c b/src/libsystemd/sd-event/test-event.c
index 1a581ae23e..9fa544ab0a 100644
--- a/src/libsystemd/sd-event/test-event.c
+++ b/src/libsystemd/sd-event/test-event.c
@@ -317,11 +317,11 @@ static void test_rtqueue(void) {
 
         assert_se(sd_event_source_set_priority(v, -10) >= 0);
 
-        assert(sigqueue(getpid_cached(), SIGRTMIN+2, (union sigval) { .sival_int = 1 }) >= 0);
-        assert(sigqueue(getpid_cached(), SIGRTMIN+3, (union sigval) { .sival_int = 2 }) >= 0);
-        assert(sigqueue(getpid_cached(), SIGUSR2, (union sigval) { .sival_int = 3 }) >= 0);
-        assert(sigqueue(getpid_cached(), SIGRTMIN+3, (union sigval) { .sival_int = 4 }) >= 0);
-        assert(sigqueue(getpid_cached(), SIGUSR2, (union sigval) { .sival_int = 5 }) >= 0);
+        assert_se(sigqueue(getpid_cached(), SIGRTMIN+2, (union sigval) { .sival_int = 1 }) >= 0);
+        assert_se(sigqueue(getpid_cached(), SIGRTMIN+3, (union sigval) { .sival_int = 2 }) >= 0);
+        assert_se(sigqueue(getpid_cached(), SIGUSR2, (union sigval) { .sival_int = 3 }) >= 0);
+        assert_se(sigqueue(getpid_cached(), SIGRTMIN+3, (union sigval) { .sival_int = 4 }) >= 0);
+        assert_se(sigqueue(getpid_cached(), SIGUSR2, (union sigval) { .sival_int = 5 }) >= 0);
 
         assert_se(n_rtqueue == 0);
         assert_se(last_rtqueue_sigval == 0);