diff --git a/src/tts/tts-core.ts b/src/tts/tts-core.ts
index ea449e4fcef..82276f8d356 100644
--- a/src/tts/tts-core.ts
+++ b/src/tts/tts-core.ts
@@ -729,7 +729,7 @@ export async function edgeTTS(params: {
     ({ size } = statSync(outputPath));
 
     if (size === 0) {
-      throw new Error("Edge TTS produced empty audio file after retry");
+      throw new Error("Edge TTS produced empty audio file after retry.");
     }
   }
 }