diff --git a/cmd-server-info.c b/cmd-server-info.c
index 3edb9d2b..776b137d 100644
--- a/cmd-server-info.c
+++ b/cmd-server-info.c
@@ -71,7 +71,7 @@ cmd_server_info_exec(unused struct cmd *self, struct cmd_ctx *ctx)
 	ctx->print(ctx, "pid %ld, started %s", (long) getpid(), tim);
 	ctx->print(
 	    ctx, "socket path %s, debug level %d", socket_path, debug_level);
-	if (uname(&un) == 0) {
+	if (uname(&un) >= 0) {
 		ctx->print(ctx, "system is %s %s %s %s",
 		    un.sysname, un.release, un.version, un.machine);
 	}