diff --git a/src/validators/clients/claudeCodeValidator.js b/src/validators/clients/claudeCodeValidator.js
index ccca3d42..0100d721 100644
--- a/src/validators/clients/claudeCodeValidator.js
+++ b/src/validators/clients/claudeCodeValidator.js
@@ -52,10 +52,14 @@ class ClaudeCodeValidator {
     }
 
     const model = typeof body.model === 'string' ? body.model : null
-    if (!model || model.startsWith('claude-3-5-haiku')) {
+    if (!model) {
       return false
     }
 
+    if (model.startsWith('claude-3-5-haiku')) {
+      return true
+    }
+
     const systemEntries = Array.isArray(body.system) ? body.system : []
     const system0Text =
       systemEntries.length > 0 && typeof systemEntries[0]?.text === 'string'