diff --git a/openai/api_requestor.py b/openai/api_requestor.py
index 64e55e82ef..8a0e6cabc2 100644
--- a/openai/api_requestor.py
+++ b/openai/api_requestor.py
@@ -666,7 +666,10 @@ def _interpret_response_line(
                 headers=rheaders,
             )
         try:
-            data = json.loads(rbody)
+            if 'text/plain' in rheaders.get('Content-Type'):
+                data = rbody
+            else:
+                data = json.loads(rbody)
         except (JSONDecodeError, UnicodeDecodeError) as e:
             raise error.APIError(
                 f"HTTP code {rcode} from API ({rbody})", rbody, rcode, headers=rheaders