diff --git a/usr.sbin/flowctl/flowctl.c b/usr.sbin/flowctl/flowctl.c
index 4350bd479d12..16f960a43bfe 100644
--- a/usr.sbin/flowctl/flowctl.c
+++ b/usr.sbin/flowctl/flowctl.c
@@ -77,7 +77,7 @@ struct ip_ctl_cmd cmds[] = {
 };
 
 int	cs;
-char	ng_nodename[NG_PATHLEN + 1];
+char	ng_nodename[NG_PATHSIZ];
 
 int
 main(int argc, char **argv)