diff --git a/Astrocore.Api/Controllers/TextToSpeechController.cs b/Astrocore.Api/Controllers/TextToSpeechController.cs
index d275856..43e3d0b 100644
--- a/Astrocore.Api/Controllers/TextToSpeechController.cs
+++ b/Astrocore.Api/Controllers/TextToSpeechController.cs
@@ -35,8 +35,9 @@ namespace Astrocore.Api.Controllers
             var mp3File = doc.RootElement.GetProperty("URL").GetString();
             var mp3Bytes = await client.GetByteArrayAsync(mp3File);
             var tempDir = Path.GetTempPath();
-            var mp3Path = Path.Combine(tempDir, "tts.mp3");
-            var dfpwmPath = Path.Combine(tempDir, "tts.dfpwm");
+            var fileNameGuid = Guid.NewGuid().ToString();
+            var mp3Path = Path.Combine(tempDir, $"{fileNameGuid}.mp3");
+            var dfpwmPath = Path.Combine(tempDir, $"{fileNameGuid}.dfpwm");
 
             await System.IO.File.WriteAllBytesAsync(mp3Path, mp3Bytes);
             var process = new Process