diff --git a/Trigger/TrigConfiguration/TrigConfBase/CMakeLists.txt b/Trigger/TrigConfiguration/TrigConfBase/CMakeLists.txt
index 10e42698194a185a22b745bd5988739947968e69..b3edde803fb093d1692a64680ecfee31bf3fdfd9 100644
--- a/Trigger/TrigConfiguration/TrigConfBase/CMakeLists.txt
+++ b/Trigger/TrigConfiguration/TrigConfBase/CMakeLists.txt
@@ -21,7 +21,7 @@ if( NOT XAOD_STANDALONE )
       LINK_LIBRARIES TrigConfBase AthenaBaseComps )
 
    atlas_add_test( trigconf_msg_athena_test
-      SCRIPT athena --CA ${CMAKE_CURRENT_SOURCE_DIR}/test/test_TrigConfMsgAlg.py
+      SCRIPT athena ${CMAKE_CURRENT_SOURCE_DIR}/test/test_TrigConfMsgAlg.py
       LOG_SELECT_PATTERN "TrigConfMsgAlg" )
 
 endif()
diff --git a/Trigger/TrigConfiguration/TrigConfBase/test/test_TrigConfMsgAlg.py b/Trigger/TrigConfiguration/TrigConfBase/test/test_TrigConfMsgAlg.py
index d68335e0ad4d1331882f367f5f5dbad00c59cc06..db1f4ac53bd52ace735194408c47853eba0a029f 100644
--- a/Trigger/TrigConfiguration/TrigConfBase/test/test_TrigConfMsgAlg.py
+++ b/Trigger/TrigConfiguration/TrigConfBase/test/test_TrigConfMsgAlg.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env athena
 # Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
 
 from AthenaConfiguration.ComponentFactory import CompFactory