diff --git a/lib/tasks/tts-task.js b/lib/tasks/tts-task.js
index 97d5ab3b..8ab25de1 100644
--- a/lib/tasks/tts-task.js
+++ b/lib/tasks/tts-task.js
@@ -293,7 +293,18 @@ class TtsTask extends Task {
                 vendor,
                 language,
                 characters: text.length,
-                elapsedTime: rtt
+                elapsedTime: rtt,
+                servedFromCache,
+                'id': this.id
+              });
+            }
+            if (servedFromCache) {
+              this.notifyStatus({
+                event: 'synthesized-audio',
+                vendor,
+                language,
+                servedFromCache,
+                'id': this.id
               });
             }
           }