diff --git a/tasmota/include/tasmota_types.h b/tasmota/include/tasmota_types.h
index 2e672f088..bbb4fddbc 100644
--- a/tasmota/include/tasmota_types.h
+++ b/tasmota/include/tasmota_types.h
@@ -184,7 +184,7 @@ typedef union {                            // Restricted by MISRA-C Rule 18.4 bu
     uint32_t artnet_autorun : 1;           // bit 2  (v12.2.0.4) - SetOption148 - (Light) start DMX ArtNet at boot, listen to UDP port as soon as network is up
     uint32_t dns_ipv6_priority : 1;        // bit 3  (v12.2.0.6) - SetOption149 - (Wifi) prefer IPv6 DNS resolution to IPv4 address when available. Requires `#define USE_IPV6`
     uint32_t no_voltage_common : 1;        // bit 4  (v12.3.1.5) - SetOption150 - (Energy) Force no voltage/frequency common
-    uint32_t spare05 : 1;                  // bit 5
+    uint32_t matter_enabled : 1;           // bit 5  (v12.3.1.5) - SetOption151 - (Matter) Enable Matter protocol over Wifi
     uint32_t spare06 : 1;                  // bit 6
     uint32_t spare07 : 1;                  // bit 7
     uint32_t spare08 : 1;                  // bit 8
diff --git a/tasmota/tasmota_support/support_command.ino b/tasmota/tasmota_support/support_command.ino
index ff3bcb891..4709fc309 100644
--- a/tasmota/tasmota_support/support_command.ino
+++ b/tasmota/tasmota_support/support_command.ino
@@ -1449,6 +1449,11 @@ void CmndSetoptionBase(bool indexed) {
           }
           else if (6 == ptype) {           // SetOption146 .. 177
             bitWrite(Settings->flag6.data, pindex, XdrvMailbox.payload);
+            switch (pindex) {
+              case 5:                     // SetOption151 - Matter enabled
+                TasmotaGlobal.restart_flag = 2;
+                break;
+            }
           }
         } else {
           ptype = 99;                      // Command Error