diff --git a/src/http_server/flb_hs.c b/src/http_server/flb_hs.c
index 40cc8467ae7..a3a2501745a 100644
--- a/src/http_server/flb_hs.c
+++ b/src/http_server/flb_hs.c
@@ -71,7 +71,8 @@ struct flb_hs *flb_hs_create(const char *listen, const char *tcp_port,
                              struct flb_config *config)
 {
     int vid;
-    char tmp[32];
+    /* Accept IPv6 and IPv4 address */
+    char tmp[45];
     struct flb_hs *hs;
 
     hs = flb_calloc(1, sizeof(struct flb_hs));