diff --git a/integrations/libraries/claude-code-anthropic.mdx b/integrations/libraries/claude-code-anthropic.mdx
index 4eb93313..a171ad39 100644
--- a/integrations/libraries/claude-code-anthropic.mdx
+++ b/integrations/libraries/claude-code-anthropic.mdx
@@ -67,7 +67,7 @@ For Max plan or Anthropic OAuth users:
 {
   "env": {
     "ANTHROPIC_BASE_URL": "https://api.portkey.ai",
-    "ANTHROPIC_CUSTOM_HEADERS": "x-portkey-api-key: YOUR_PORTKEY_API_KEY"
+    "ANTHROPIC_CUSTOM_HEADERS": "x-portkey-api-key: YOUR_PORTKEY_API_KEY\nx-portkey-provider:anthropic"
   }
 }
 ```