diff --git a/src/room/CallEventAudioRenderer.tsx b/src/room/CallEventAudioRenderer.tsx
index d95b8574..f814e1ab 100644
--- a/src/room/CallEventAudioRenderer.tsx
+++ b/src/room/CallEventAudioRenderer.tsx
@@ -72,8 +72,8 @@ export function CallEventAudioRenderer({
           ({ joined, ids }) =>
             ids.length <= MAX_PARTICIPANT_COUNT_FOR_SOUND && joined.length > 0,
         ),
-        throttle((_) => interval(THROTTLE_SOUND_EFFECT_MS)),
-        debounce((_) => interval(DEBOUNCE_SOUND_EFFECT_MS)),
+        throttle(() => interval(THROTTLE_SOUND_EFFECT_MS)),
+        debounce(() => interval(DEBOUNCE_SOUND_EFFECT_MS)),
       )
       .subscribe((prev) => {
         console.log("Playing join sound for", ...prev.joined, "|", prev);
@@ -86,8 +86,8 @@ export function CallEventAudioRenderer({
           ({ ids, left }) =>
             ids.length <= MAX_PARTICIPANT_COUNT_FOR_SOUND && left.length > 0,
         ),
-        throttle((_) => interval(THROTTLE_SOUND_EFFECT_MS)),
-        debounce((_) => interval(DEBOUNCE_SOUND_EFFECT_MS)),
+        throttle(() => interval(THROTTLE_SOUND_EFFECT_MS)),
+        debounce(() => interval(DEBOUNCE_SOUND_EFFECT_MS)),
       )
       .subscribe(() => {
         audioEngineCtx.playSound("left");
diff --git a/src/room/ReactionAudioRenderer.tsx b/src/room/ReactionAudioRenderer.tsx
index 7f1ca6f7..607e4890 100644
--- a/src/room/ReactionAudioRenderer.tsx
+++ b/src/room/ReactionAudioRenderer.tsx
@@ -38,18 +38,13 @@ export function ReactionsAudioRenderer(): ReactNode {
     if (!shouldPlay) {
       return;
     }
-    const oldReactionSet = new Set(
-      Object.values(oldReactions).map((r) => r.name),
-    );
-    for (const reactionName of new Set(
-      Object.values(reactions).map((r) => r.name),
-    )) {
-      if (oldReactionSet.has(reactionName)) {
+    for (const [sender, reaction] of Object.entries(reactions)) {
+      if (oldReactions[sender]) {
         // Don't replay old reactions
         return;
       }
-      if (SoundMap[reactionName]) {
-        audioEngineCtx.playSound(reactionName);
+      if (SoundMap[reaction.name]) {
+        audioEngineCtx.playSound(reaction.name);
       } else {
         // Fallback sounds.
         audioEngineCtx.playSound("generic");