diff --git a/src/DIRAC/WorkloadManagementSystem/Service/OptimizationMindHandler.py b/src/DIRAC/WorkloadManagementSystem/Service/OptimizationMindHandler.py
index 29a041c50eb..78535e5dec7 100644
--- a/src/DIRAC/WorkloadManagementSystem/Service/OptimizationMindHandler.py
+++ b/src/DIRAC/WorkloadManagementSystem/Service/OptimizationMindHandler.py
@@ -42,7 +42,7 @@ class OptimizationMindHandler(ExecutorMindHandler):
 
     MSG_DEFINITIONS = {"OptimizeJobs": {"jids": (list, tuple)}}
 
-    auth_msg_OptimizeJobs = ["all"]
+    auth_msg_OptimizeJobs = ["TrustedHost"]
 
     def msg_OptimizeJobs(self, msgObj):
         jids = msgObj.jids