diff --git a/tools/netstat/nhgrp.c b/tools/netstat/nhgrp.c
index 557580e6c..e823f8e44 100644
--- a/tools/netstat/nhgrp.c
+++ b/tools/netstat/nhgrp.c
@@ -283,7 +283,7 @@ static void
 update_global_map(struct nhop_external *nh)
 {
 	char iface_name[128];
-	char gw_addr[64];
+	char gw_addr[144];
 	struct nhop_addrs *na;
 	struct sockaddr *sa_gw;
 
diff --git a/tools/netstat/nhops.c b/tools/netstat/nhops.c
index f8f6b714c..90a5d1896 100644
--- a/tools/netstat/nhops.c
+++ b/tools/netstat/nhops.c
@@ -249,7 +249,7 @@ print_nhop_entry_sysctl(const char *name, struct rt_msghdr *rtm, struct nhop_ext
 	char buffer[128];
 	char iface_name[128];
 	int protrusion;
-	char gw_addr[64];
+	char gw_addr[144];
 	struct nhop_addrs *na;
 	struct sockaddr *sa_gw, *sa_ifa;