diff --git a/src/openai/lib/azure.py b/src/openai/lib/azure.py
index 27bebd8cab..2c8b4dcd88 100644
--- a/src/openai/lib/azure.py
+++ b/src/openai/lib/azure.py
@@ -22,6 +22,7 @@
         "/embeddings",
         "/audio/transcriptions",
         "/audio/translations",
+        "/audio/speech",
         "/images/generations",
     ]
 )