diff --git a/config/configuration.yaml b/config/configuration.yaml
index ae59c911..d134be40 100755
--- a/config/configuration.yaml
+++ b/config/configuration.yaml
@@ -253,7 +253,7 @@ tts:
     region_name: 'us-east-1'
     text_type: ssml
     cache: True
-    base_url: !secret http_base_url
+    base_url: !secret internal_url
    # cache_dir: /data/tts
 
 wink: