diff --git a/supervisor/homeassistant/module.py b/supervisor/homeassistant/module.py
index cfc7acd1e..b76bb58d9 100644
--- a/supervisor/homeassistant/module.py
+++ b/supervisor/homeassistant/module.py
@@ -66,6 +66,7 @@ HOMEASSISTANT_BACKUP_EXCLUDE = [
     "*.log",
     "*.log.*",
     "OZW_Log.txt",
+    "tts/*",
 ]
 HOMEASSISTANT_BACKUP_EXCLUDE_DATABASE = [
     "home-assistant_v?.db",