diff --git a/api/core/model_runtime/model_providers/azure_openai/speech2text/speech2text.py b/api/core/model_runtime/model_providers/azure_openai/speech2text/speech2text.py
index 763a6d90e3..8aebcb90e4 100644
--- a/api/core/model_runtime/model_providers/azure_openai/speech2text/speech2text.py
+++ b/api/core/model_runtime/model_providers/azure_openai/speech2text/speech2text.py
@@ -1,3 +1,4 @@
+import copy
 from typing import IO, Optional
 
 from openai import AzureOpenAI