diff --git a/src/tools.c b/src/tools.c
index 52b4890..c40ad5f 100644
--- a/src/tools.c
+++ b/src/tools.c
@@ -1346,7 +1346,7 @@
 	default:
 		return NULL;
 	}
-	inet_ntop(addr->ss_family, ptr, buffer, get_addr_len(addr));
+	inet_ntop(addr->ss_family, ptr, buffer, sizeof(buffer));
 	if (map_ports)
 		return memprintf(&out, "%s:%+d", buffer, port);
 	else