diff --git a/client/src/comms.h b/client/src/comms.h
index 3b35e9a24..3d281f026 100644
--- a/client/src/comms.h
+++ b/client/src/comms.h
@@ -58,6 +58,7 @@ typedef enum {
     PM3_TCPv4,
     PM3_TCPv6,
     PM3_UDPv4,
+    PM3_UDPv6,
     PM3_NONE,
 } CommunicationProtol_t;
 
diff --git a/client/src/proxmark3.c b/client/src/proxmark3.c
index f4887dc1f..df5ef7a18 100644
--- a/client/src/proxmark3.c
+++ b/client/src/proxmark3.c
@@ -277,6 +277,9 @@ main_loop(char *script_cmds_file, char *script_cmd, bool stayInCommandLoop) {
                 case PM3_UDPv4:
                     prompt_net = PROXPROMPT_NET_UDPV4;
                     break;
+                case PM3_UDPv6:
+                    prompt_net = PROXPROMPT_NET_UDPV6;
+                    break;
                 case PM3_NONE:
                 default:
                     break;
diff --git a/client/src/proxmark3.h b/client/src/proxmark3.h
index e63b93f4e..f58c7950e 100644
--- a/client/src/proxmark3.h
+++ b/client/src/proxmark3.h
@@ -38,6 +38,7 @@
 #define PROXPROMPT_NET_TCPV4   "|" _RL_BOLD_GREEN_("tcp")
 #define PROXPROMPT_NET_UDPV4   "|" _RL_BOLD_GREEN_("udp")
 #define PROXPROMPT_NET_TCPV6   "|" _RL_BOLD_GREEN_("tcp v6")
+#define PROXPROMPT_NET_UDPV6   "|" _RL_BOLD_GREEN_("udp v6")
 
 
 #define PROXHISTORY "history.txt"
diff --git a/client/src/uart/uart_posix.c b/client/src/uart/uart_posix.c
index 5be5ffcdb..1c87b2c1e 100644
--- a/client/src/uart/uart_posix.c
+++ b/client/src/uart/uart_posix.c
@@ -131,6 +131,10 @@ serial_port uart_open(const char *pcPortName, uint32_t speed) {
             }
         }
 
+
+        // assume v4
+        g_conn.send_via_ip = PM3_TCPv4;
+
         // find the port
         char *lColon = strchr(addrPortStr, ':');
         char *rColon = strrchr(addrPortStr, ':');
@@ -151,6 +155,7 @@ serial_port uart_open(const char *pcPortName, uint32_t speed) {
             } else {
                 portstr = "18888";
             }
+            g_conn.send_via_ip = PM3_TCPv6;
         }
 
         // handle the end of the address
@@ -207,7 +212,6 @@ serial_port uart_open(const char *pcPortName, uint32_t speed) {
             return INVALID_SERIAL_PORT;
         }
 
-        g_conn.send_via_ip = PM3_TCPv4;
         return sp;
     }
 
@@ -244,6 +248,9 @@ serial_port uart_open(const char *pcPortName, uint32_t speed) {
             }
         }
 
+        // Assume v4
+        g_conn.send_via_ip = PM3_UDPv4;
+
         // find the port
         char *lColon = strchr(addrPortStr, ':');
         char *rColon = strrchr(addrPortStr, ':');
@@ -264,6 +271,7 @@ serial_port uart_open(const char *pcPortName, uint32_t speed) {
             } else {
                 portstr = "18888";
             }
+            g_conn.send_via_ip = PM3_UDPv6;
         }
 
         // handle the end of the address
@@ -279,7 +287,6 @@ serial_port uart_open(const char *pcPortName, uint32_t speed) {
 
         info.ai_family = PF_UNSPEC;
         info.ai_socktype = SOCK_DGRAM;
-//        info.ai_protocol = SOL_UDP;
 
         int s = getaddrinfo(addrstr, portstr, &info, &addr);
         if (s != 0) {
@@ -314,8 +321,6 @@ serial_port uart_open(const char *pcPortName, uint32_t speed) {
 
         sp->fd = sfd;
         sp->udpBuffer = RingBuf_create(MAX(sizeof(PacketResponseNGRaw), sizeof(PacketResponseOLD)) * 30);
-
-        g_conn.send_via_ip = PM3_UDPv4;
         return sp;
     }
 
diff --git a/client/src/uart/uart_win32.c b/client/src/uart/uart_win32.c
index 2d0498981..a96b6e1bb 100644
--- a/client/src/uart/uart_win32.c
+++ b/client/src/uart/uart_win32.c
@@ -135,6 +135,9 @@ serial_port uart_open(const char *pcPortName, uint32_t speed) {
             }
         }
 
+        // Assume v4
+        g_conn.send_via_ip = PM3_TCPv4;
+
         // find the port
         char *lColon = strchr(addrPortStr, ':');
         char *rColon = strrchr(addrPortStr, ':');
@@ -155,6 +158,7 @@ serial_port uart_open(const char *pcPortName, uint32_t speed) {
             } else {
                 portstr = "18888";
             }
+            g_conn.send_via_ip = PM3_TCPv6;
         }
 
         // handle the end of the address
@@ -225,7 +229,6 @@ serial_port uart_open(const char *pcPortName, uint32_t speed) {
             free(sp);
             return INVALID_SERIAL_PORT;
         }
-        g_conn.send_via_ip = PM3_TCPv4;
         return sp;
     }
 
@@ -263,6 +266,9 @@ serial_port uart_open(const char *pcPortName, uint32_t speed) {
             }
         }
 
+        // Assume v4
+        g_conn.send_via_ip = PM3_UDPv4;
+
         // find the port
         char *lColon = strchr(addrPortStr, ':');
         char *rColon = strrchr(addrPortStr, ':');
@@ -283,6 +289,7 @@ serial_port uart_open(const char *pcPortName, uint32_t speed) {
             } else {
                 portstr = "18888";
             }
+            g_conn.send_via_ip = PM3_UDPv6;
         }
 
         // handle the end of the address
@@ -345,8 +352,6 @@ serial_port uart_open(const char *pcPortName, uint32_t speed) {
 
         sp->hSocket = hSocket;
         sp->udpBuffer = RingBuf_create(MAX(sizeof(PacketResponseNGRaw), sizeof(PacketResponseOLD)) * 30);
-
-        g_conn.send_via_ip = PM3_UDPv4;
         return sp;
     }