diff --git a/doc/man-sections/server-options.rst b/doc/man-sections/server-options.rst
index 2009953c..56ffff9a 100644
--- a/doc/man-sections/server-options.rst
+++ b/doc/man-sections/server-options.rst
@@ -204,7 +204,8 @@ fast hardware. SSL/TLS authentication must be used in this mode.
      ifconfig-ipv6-pool ipv6addr/bits
 
   The pool starts at ``ipv6addr`` and matches the offset determined from
-  the start of the IPv4 pool.
+  the start of the IPv4 pool.  If the host part of the given IPv6
+  address is ``0``, the pool starts at ``ipv6addr`` +1.
 
 --ifconfig-pool-persist args
   Persist/unpersist ifconfig-pool data to ``file``, at ``seconds``
diff --git a/src/openvpn/pool.c b/src/openvpn/pool.c
index 1f74ac57..2814ff46 100644
--- a/src/openvpn/pool.c
+++ b/src/openvpn/pool.c
@@ -224,6 +224,21 @@ ifconfig_pool_init(const bool ipv4_pool, enum pool_type type, in_addr_t start,
         }
 
         pool->ipv6.base = ipv6_base;
+
+        /* if a pool starts at ::0, that first IPv6 address is not usable
+         * first clients (subnet anycast address).  Start with 1, then.
+         * NOTE: this will also fire for something like
+         *    ifconfig-ipv6-pool 2001:db8:0:1:1234::0/64
+         * as we only look at the rightmost 32 bits.  So be it...
+         */
+        if (base == 0)
+        {
+            msg(D_IFCONFIG_POOL, "IFCONFIG POOL IPv6: incrementing pool start "
+		"to avoid ::0 assignment");
+            base++;
+            pool->ipv6.base.s6_addr[15]++;
+        }
+
         pool_ipv6_size = ipv6_netbits >= 112
                           ? (1 << (128 - ipv6_netbits)) - base
                           : IFCONFIG_POOL_MAX;