diff --git a/src/openvpn/pool.c b/src/openvpn/pool.c
index 5d503a33..6dd72bb9 100644
--- a/src/openvpn/pool.c
+++ b/src/openvpn/pool.c
@@ -183,7 +183,7 @@ ifconfig_pool_init(enum pool_type type, in_addr_t start, in_addr_t end,
     if (pool->ipv6.enabled)
     {
         pool->ipv6.base = ipv6_base;
-        pool->ipv6.size = ipv6_netbits > 96 ? (1 << (128 - ipv6_netbits))
+        pool->ipv6.size = ipv6_netbits > 112 ? (1 << (128 - ipv6_netbits))
                           : IFCONFIG_POOL_MAX;
 
         msg( D_IFCONFIG_POOL, "IFCONFIG POOL IPv6: (IPv4) size=%d, size_ipv6=%d, netbits=%d, base_ipv6=%s",