diff --git a/lib/sigevent.c b/lib/sigevent.c
index 0346027935..115781af5c 100644
--- a/lib/sigevent.c
+++ b/lib/sigevent.c
@@ -329,7 +329,8 @@ static void trap_default_signals(void)
 				}
 				if (sigaction(sigmap[i].sigs[j], &act, NULL)
 				    < 0)
-					zlog_warn(
+					flog_err(
+						LIB_ERR_SYSTEM_CALL,
 						"Unable to set signal handler for signal %d: %s",
 						sigmap[i].sigs[j],
 						safe_strerror(errno));