diff --git a/changelogs/unreleased/gh-11803-uri-interface-option-in-box-cfg-replication.md b/changelogs/unreleased/gh-11803-uri-interface-option-in-box-cfg-replication.md
index 5b23121e98..8520d5c790 100644
--- a/changelogs/unreleased/gh-11803-uri-interface-option-in-box-cfg-replication.md
+++ b/changelogs/unreleased/gh-11803-uri-interface-option-in-box-cfg-replication.md
@@ -1,5 +1,5 @@
 ## feature/box
 
-* Now the `interface` parameter can be used in `box.cfg.replication` URIs.
-  It allows to specify the interface to bind the connections to a URI to
+* The `interface` parameter can now be used in `box.cfg.replication` URIs.
+  It allows specifying the network interface to bind to for URI connections
   (gh-11803).
diff --git a/src/lib/core/coio.c b/src/lib/core/coio.c
index 3729bbb0db..446bcf629d 100644
--- a/src/lib/core/coio.c
+++ b/src/lib/core/coio.c
@@ -81,7 +81,8 @@ ipv6_scope(const struct sockaddr *addr)
 
 /**
  * Bind the given socket fd stream to the given interface (by name). The
- * bind parameters are selected based on the given destination address.
+ * interface IP is selected based on the given address family and IPv6
+ * scope (if the address family is IPv6).
  *
  * @retval 0 success
  * @retval -1 error
@@ -115,8 +116,6 @@ coio_bind_iface(int fd, const char *ifname, int remote_af,
                        sin->sin_port = htons(0); /* Bind to any port. */
                } else {
                        assert(remote_af == AF_INET6);
-                       struct sockaddr_in6 *sin6 =
-                               (struct sockaddr_in6 *)iface->ifa_addr;
                        /*
                         * We are interested only in interface addresses whose
                         * scope matches the remote address we want to connect
@@ -133,6 +132,8 @@ coio_bind_iface(int fd, const char *ifname, int remote_af,
                         * to specify an IPv6 address with a zone ID specified
                         * in Tarantool (see the URI parser in src/lib/uri).
                         */
+                       struct sockaddr_in6 *sin6 =
+                               (struct sockaddr_in6 *)iface->ifa_addr;
                        bind_addr_len = sizeof(*sin6);
                        bind_addr = iface->ifa_addr;
                        sin6->sin6_port = htons(0); /* Bind to any port. */