1 files changed, 3 insertions, 2 deletions
diff --git a/lib/ftp.c b/lib/ftp.c
index 34964d6b0..3eabec08c 100644
--- a/lib/ftp.c
+++ b/lib/ftp.c
@@ -1079,8 +1079,9 @@ static CURLcode ftp_state_use_port(struct connectdata *conn,
 
     if(*addr != '\0') {
       /* attempt to get the address of the given interface name */
-      switch(Curl_if2ip(conn->ip_addr->ai_family, conn->scope, addr,
-                     hbuf, sizeof(hbuf))) {
+      switch(Curl_if2ip(conn->ip_addr->ai_family,
+                        Curl_ipv6_scope(conn->ip_addr->ai_addr),
+                        conn->scope_id, addr, hbuf, sizeof(hbuf))) {
         case IF2IP_NOT_FOUND:
           /* not an interface, use the given string as host name instead */
           host = addr;