diff --git a/src/libsystemd/sd-event/sd-event.c b/src/libsystemd/sd-event/sd-event.c
index 8ab9d419af5..a35878cd8f4 100644
--- a/src/libsystemd/sd-event/sd-event.c
+++ b/src/libsystemd/sd-event/sd-event.c
@@ -3802,7 +3802,7 @@ static int epoll_wait_usec(
                                  NULL);
                 if (r >= 0)
                         return r;
-                if (!ERRNO_IS_NOT_SUPPORTED(r) && !ERRNO_IS_PRIVILEGE(r))
+                if (!ERRNO_IS_NOT_SUPPORTED(errno) && !ERRNO_IS_PRIVILEGE(errno))
                         return -errno; /* Only fallback to old epoll_wait() if the syscall is masked or not
                                         * supported. */