diff --git a/src/openvpn/route.c b/src/openvpn/route.c
index f121d3f..218ca96 100644
--- a/src/openvpn/route.c
+++ b/src/openvpn/route.c
@@ -2785,7 +2785,6 @@ windows_route_find_if_index(const struct route_ipv4 *r, const struct tuntap *tt)
         msg(M_WARN, "Warning: route gateway is ambiguous: %s (%d matches)",
             print_in_addr_t(r->gateway, 0, &gc),
             count);
-        ret = TUN_ADAPTER_INDEX_INVALID;
     }
 
     dmsg(D_ROUTE_DEBUG, "DEBUG: route find if: on_tun=%d count=%d index=%d",
diff --git a/src/openvpn/tun.c b/src/openvpn/tun.c
index 2644d99..f424f82 100644
--- a/src/openvpn/tun.c
+++ b/src/openvpn/tun.c
@@ -45,6 +45,7 @@
 #include "manage.h"
 #include "route.h"
 #include "win32.h"
+#include "block_dns.h"
 
 #include "memdbg.h"
 
@@ -4480,6 +4481,7 @@ adapter_index_of_ip(const IP_ADAPTER_INFO *list,
     struct gc_arena gc = gc_new();
     DWORD ret = TUN_ADAPTER_INDEX_INVALID;
     in_addr_t highest_netmask = 0;
+    int lowest_metric = INT_MAX;
     bool first = true;
 
     if (count)
@@ -4493,9 +4495,14 @@ adapter_index_of_ip(const IP_ADAPTER_INFO *list,
 
         if (is_ip_in_adapter_subnet(list, ip, &hn))
         {
+            int metric = get_interface_metric(list->Index, AF_INET, NULL);
             if (first || hn > highest_netmask)
             {
                 highest_netmask = hn;
+                if (metric >= 0)
+                {
+                    lowest_metric = metric;
+                }
                 if (count)
                 {
                     *count = 1;
@@ -4509,16 +4516,22 @@ adapter_index_of_ip(const IP_ADAPTER_INFO *list,
                 {
                     ++*count;
                 }
+                if (metric >= 0 && metric < lowest_metric)
+                {
+                    ret = list->Index;
+                    lowest_metric = metric;
+                }
             }
         }
         list = list->Next;
     }
 
-    dmsg(D_ROUTE_DEBUG, "DEBUG: IP Locate: ip=%s nm=%s index=%d count=%d",
+    dmsg(D_ROUTE_DEBUG, "DEBUG: IP Locate: ip=%s nm=%s index=%d count=%d metric=%d",
          print_in_addr_t(ip, 0, &gc),
          print_in_addr_t(highest_netmask, 0, &gc),
          (int)ret,
-         count ? *count : -1);
+         count ? *count : -1,
+         lowest_metric);
 
     if (ret == TUN_ADAPTER_INDEX_INVALID && count)
     {