diff --git a/src/trx-client/trx-frontend/trx-frontend-http/assets/web/plugins/bookmarks.js b/src/trx-client/trx-frontend/trx-frontend-http/assets/web/plugins/bookmarks.js
index 7d94602..1aa8081 100644
--- a/src/trx-client/trx-frontend/trx-frontend-http/assets/web/plugins/bookmarks.js
+++ b/src/trx-client/trx-frontend/trx-frontend-http/assets/web/plugins/bookmarks.js
@@ -182,6 +182,7 @@ function bmReadDecoders() {
   if (document.getElementById("bm-dec-aprs").checked) decoders.push("aprs");
   if (document.getElementById("bm-dec-ais").checked) decoders.push("ais");
   if (document.getElementById("bm-dec-ft8").checked) decoders.push("ft8");
+  if (document.getElementById("bm-dec-ft4").checked) decoders.push("ft4");
   if (document.getElementById("bm-dec-wspr").checked) decoders.push("wspr");
   if (document.getElementById("bm-dec-hf-aprs").checked) decoders.push("hf-aprs");
   return decoders;
@@ -193,6 +194,7 @@ function bmWriteDecoders(decoders) {
   document.getElementById("bm-dec-aprs").checked = list.includes("aprs");
   document.getElementById("bm-dec-ais").checked = list.includes("ais");
   document.getElementById("bm-dec-ft8").checked = list.includes("ft8");
+  document.getElementById("bm-dec-ft4").checked = list.includes("ft4");
   document.getElementById("bm-dec-wspr").checked = list.includes("wspr");
   document.getElementById("bm-dec-hf-aprs").checked = list.includes("hf-aprs");
 }
@@ -352,6 +354,10 @@ async function bmApply(bm) {
         if (wantFt8 !== !!st.ft8_decode_enabled) {
           await postPath("/toggle_ft8_decode");
         }
+        const wantFt4 = bm.decoders.includes("ft4");
+        if (wantFt4 !== !!st.ft4_decode_enabled) {
+          await postPath("/toggle_ft4_decode");
+        }
         const wantWspr = bm.decoders.includes("wspr");
         if (wantWspr !== !!st.wspr_decode_enabled) {
           await postPath("/toggle_wspr_decode");