diff --git a/.changeset/wise-cherries-collect.md b/.changeset/wise-cherries-collect.md
new file mode 100644
index 000000000..0ccaf9705
--- /dev/null
+++ b/.changeset/wise-cherries-collect.md
@@ -0,0 +1,5 @@
+---
+"@livekit/agents-plugin-deepgram": patch
+---
+
+fix(deepgram): prevent TypeError in STTv2 #sendTask on stream teardown
diff --git a/plugins/deepgram/src/stt_v2.ts b/plugins/deepgram/src/stt_v2.ts
index 3701576b9..b4cc4145d 100644
--- a/plugins/deepgram/src/stt_v2.ts
+++ b/plugins/deepgram/src/stt_v2.ts
@@ -296,7 +296,7 @@ class SpeechStreamv2 extends stt.SpeechStream {
       }
 
       // If we broke above, we don't process data. If not, 'result' is IteratorResult
-      if (hasEnded && !('value' in result)) {
+      if (hasEnded && result.value === undefined) {
         // Process flush below
       } else if ('value' in result) {
         const data = result.value;