diff --git a/sim_ether.c b/sim_ether.c
index 0194d6b3..70065ef6 100644
--- a/sim_ether.c
+++ b/sim_ether.c
@@ -2921,8 +2921,10 @@ if (0 == strncmp("tap:", savname, 4)) {
         tun = -1;
         }
       else {
+        *eth_api = ETH_API_TAP;
         *fd_handle = (SOCKET)tun;
         strcpy(savname, ifr.ifr_name);
+        return SCPE_OK;
         }
       }
     else
@@ -2979,6 +2981,11 @@ if (0 == strncmp("tap:", savname, 4)) {
       close(tun);
       tun = -1;
       }
+    else {
+      *eth_api = ETH_API_TAP;
+      *fd_handle = (SOCKET)tun;
+      return SCPE_OK;
+      }
     }
 #else /* !(defined(HAVE_BSDTUNTAP) && defined(HAVE_TAP_NETWORK)) */
   strlcpy(errbuf, "No support for tap: devices", errbuf_size);