diff --git a/threadproc/unix/signals.c b/threadproc/unix/signals.c
index c735eab..e8b44c3 100644
--- a/threadproc/unix/signals.c
+++ b/threadproc/unix/signals.c
@@ -116,7 +116,7 @@ void apr_signal_init(apr_pool_t *pglobal)
 }
 const char *apr_signal_description_get(int signum)
 {
-    return (signum >= 0) ? sys_siglist[signum] : "unknown signal (number)";
+    return (signum >= 0) ? strsignal(signum) : "unknown signal (number)";
 }
 
 #else /* !(SYS_SIGLIST_DECLARED || HAVE_DECL_SYS_SIGLIST) */