diff --git a/src/fping.c b/src/fping.c
index a937c1d..e2ee8b0 100644
--- a/src/fping.c
+++ b/src/fping.c
@@ -2943,6 +2943,7 @@ void usage(int is_error)
     fprintf(out, "                      (give start and end IP in the target list, or a CIDR address)\n");
     fprintf(out, "                      (ex. %s -g 192.168.1.0 192.168.1.255 or %s -g 192.168.1.0/24)\n", prog, prog);
     fprintf(out, "   -H, --ttl=N        set the IP TTL value (Time To Live hops)\n");
+    fprintf(out, "   -i, --interval=MSEC  interval between sending ping packets (default: %.0f ms)\n", interval / 1e6);
 #ifdef SO_BINDTODEVICE
     fprintf(out, "   -I, --iface=IFACE  bind to a particular interface\n");
 #endif
@@ -2968,7 +2969,6 @@ void usage(int is_error)
     fprintf(out, "   -d, --rdns         show targets by name (force reverse-DNS lookup)\n");
     fprintf(out, "   -D, --timestamp    print timestamp before each output line\n");
     fprintf(out, "   -e, --elapsed      show elapsed time on return packets\n");
-    fprintf(out, "   -i, --interval=MSEC  interval between sending ping packets (default: %.0f ms)\n", interval / 1e6);
     fprintf(out, "   -n, --name         show targets by name (reverse-DNS lookup for target IPs)\n");
     fprintf(out, "   -N, --netdata      output compatible for netdata (-l -Q are required)\n");
     fprintf(out, "   -o, --outage       show the accumulated outage time (lost packets * packet interval)\n");