diff --git a/package.json b/package.json
index 00b61e3..cf17c3c 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "classnames": "^2.3.1",
     "color-hash": "^2.0.1",
     "events": "^3.3.0",
-    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#9a15094374f52053ca9f833269d2b1c6c7f964d2",
+    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#984dd26a138411ef73903ff4e635f2752e0829f2",
     "mermaid": "^8.13.8",
     "normalize.css": "^8.0.1",
     "pako": "^2.0.4",
diff --git a/src/room/usePTT.ts b/src/room/usePTT.ts
index 096e662..847a1aa 100644
--- a/src/room/usePTT.ts
+++ b/src/room/usePTT.ts
@@ -130,7 +130,7 @@ export const usePTT = (
   const onMuteStateChanged = useCallback(() => {
     const activeSpeakerFeed = getActiveSpeakerFeed(userMediaFeeds, groupCall);
 
-    let blocked = false;
+    let blocked = transmitBlocked;
     if (activeSpeakerUserId === null && activeSpeakerFeed !== null) {
       if (activeSpeakerFeed.userId === client.getUserId()) {
         playClip(PTTClipID.START_TALKING_LOCAL);
@@ -141,8 +141,8 @@ export const usePTT = (
       playClip(PTTClipID.END_TALKING);
     } else if (
       pttButtonHeld &&
-      activeSpeakerUserId === client.getUserId() &&
-      activeSpeakerFeed?.userId !== client.getUserId()
+      activeSpeakerFeed?.userId !== client.getUserId() &&
+      !transmitBlocked
     ) {
       // We were talking but we've been cut off: mute our own mic
       // (this is the easier way of cutting other speakers off if an
@@ -167,6 +167,7 @@ export const usePTT = (
     client,
     userMediaFeeds,
     setMicMuteWrapper,
+    transmitBlocked,
   ]);
 
   useEffect(() => {
diff --git a/yarn.lock b/yarn.lock
index 3c8d21e..5595149 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8652,9 +8652,9 @@ matrix-events-sdk@^0.0.1-beta.7:
   resolved "https://registry.yarnpkg.com/matrix-events-sdk/-/matrix-events-sdk-0.0.1-beta.7.tgz#5ffe45eba1f67cc8d7c2377736c728b322524934"
   integrity sha512-9jl4wtWanUFSy2sr2lCjErN/oC8KTAtaeaozJtrgot1JiQcEI4Rda9OLgQ7nLKaqb4Z/QUx/fR3XpDzm5Jy1JA==
 
-"matrix-js-sdk@github:matrix-org/matrix-js-sdk#9a15094374f52053ca9f833269d2b1c6c7f964d2":
+"matrix-js-sdk@github:matrix-org/matrix-js-sdk#984dd26a138411ef73903ff4e635f2752e0829f2":
   version "18.1.0"
-  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/9a15094374f52053ca9f833269d2b1c6c7f964d2"
+  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/984dd26a138411ef73903ff4e635f2752e0829f2"
   dependencies:
     "@babel/runtime" "^7.12.5"
     "@types/sdp-transform" "^2.4.5"