diff --git a/gui/main.js b/gui/main.js
index 6159cf40..21aa6b42 100644
--- a/gui/main.js
+++ b/gui/main.js
@@ -62,15 +62,12 @@ const configDefaultSettings =
                   "hamlib_pttprotocol": "ignore",\
                   "hamlib_ptt_port": "ignore",\
                   "hamlib_dcd": "ignore",\
-                  "hamlib_rigctld_port": "ignore",\
-                  "hamlib_rigctld_ip": "ignore",\
-                  "hamlib_rigctld_path": "ignore",\
-                  "hamlib_rigctld_server_port": "ignore",\
                   "hamlbib_serialspeed_ptt": "9600",\
                   "hamlib_rigctld_port" : "4532",\
                   "hamlib_rigctld_ip" : "127.0.0.1",\
                   "hamlib_rigctld_path" : "",\
                   "hamlib_rigctld_server_port" : "4532",\
+                  "hamlib_rigctld_custom_args": "",\
                   "spectrum": "waterfall",\
                   "tnclocation": "localhost",\
                   "enable_scatter" : "False",\
diff --git a/gui/preload-main.js b/gui/preload-main.js
index cfbf0e07..0a6aa526 100644
--- a/gui/preload-main.js
+++ b/gui/preload-main.js
@@ -57,6 +57,7 @@ const hamlib_elements = [
   "hamlib_rigctld_ip",
   "hamlib_rigctld_path",
   "hamlib_rigctld_server_port",
+  "hamlib_rigctld_custom_args",
 ];
 
 // SET dbfs LEVEL GLOBAL
@@ -646,6 +647,12 @@ window.addEventListener("DOMContentLoaded", () => {
         "hamlib_rigctld_server_port"
       ).value;
       paramList = paramList.concat("-t", hamlib_rigctld_server_port);
+      
+      //Custom rigctld arguments to pass to rigctld
+      var hamlib_rigctld_custom_args = document.getElementById(
+        "hamlib_rigctld_custom_args"
+      ).value;
+      paramList = paramList.concat(hamlib_rigctld_custom_args);
 
       document.getElementById("hamlib_rigctld_command").value =
         paramList.join(" "); // join removes the commas
diff --git a/gui/src/index.html b/gui/src/index.html
index bcd405b0..405c2deb 100644
--- a/gui/src/index.html
+++ b/gui/src/index.html
@@ -2182,6 +2182,19 @@
                     <option value="ON">ON</option>
                   </select>
                 </div>
+                <div class="input-group input-group-sm mb-1">
+                  <span class="input-group-text" style="width: 180px"
+                    >Rigctld custom arguments</span
+                  >
+                  <input
+                    type="text"
+                    class="form-control"
+                    placeholder="not typically needed"
+                    id="hamlib_rigctld_custom_args"
+                    aria-label="Custom arguments"
+                    aria-describedby="basic-addon1"
+                  />
+                </div>
               </div>
 
               <!-- TNC Tab contents-->