diff --git a/backend/open_webui/env.py b/backend/open_webui/env.py
index 0e2797c3af..14e882ca42 100644
--- a/backend/open_webui/env.py
+++ b/backend/open_webui/env.py
@@ -1128,16 +1128,16 @@ else:
 # The old CHAT_RESPONSE_MAX_TOOL_CALL_RETRIES name is accepted as a fallback.
 CHAT_RESPONSE_MAX_TOOL_CALL_ITERATIONS = os.getenv(
     'CHAT_RESPONSE_MAX_TOOL_CALL_ITERATIONS',
-    os.getenv('CHAT_RESPONSE_MAX_TOOL_CALL_RETRIES', '256'),
+    os.getenv('CHAT_RESPONSE_MAX_TOOL_CALL_RETRIES', '1024'),
 )
 
 if CHAT_RESPONSE_MAX_TOOL_CALL_ITERATIONS == '':
-    CHAT_RESPONSE_MAX_TOOL_CALL_ITERATIONS = 256
+    CHAT_RESPONSE_MAX_TOOL_CALL_ITERATIONS = 1024
 else:
     try:
         CHAT_RESPONSE_MAX_TOOL_CALL_ITERATIONS = int(CHAT_RESPONSE_MAX_TOOL_CALL_ITERATIONS)
     except Exception:
-        CHAT_RESPONSE_MAX_TOOL_CALL_ITERATIONS = 256
+        CHAT_RESPONSE_MAX_TOOL_CALL_ITERATIONS = 1024
 
 # -1 means unlimited (no cap).
 if CHAT_RESPONSE_MAX_TOOL_CALL_ITERATIONS == -1: