diff --git a/MagneticField/MagFieldConfig/ATLAS_CHECK_THREAD_SAFETY b/MagneticField/MagFieldConfig/ATLAS_CHECK_THREAD_SAFETY
new file mode 100644
index 0000000000000000000000000000000000000000..b6727d76842207eec35441090a8e7d69d06b671d
--- /dev/null
+++ b/MagneticField/MagFieldConfig/ATLAS_CHECK_THREAD_SAFETY
@@ -0,0 +1 @@
+MagneticField/MagFieldConfig
diff --git a/MagneticField/MagFieldConfig/CMakeLists.txt b/MagneticField/MagFieldConfig/CMakeLists.txt
index cdf011f905af22fa8a4d90ee910937e76921b904..1545952dabeb324225cd0e731962ab9fa9f5a208 100644
--- a/MagneticField/MagFieldConfig/CMakeLists.txt
+++ b/MagneticField/MagFieldConfig/CMakeLists.txt
@@ -1,11 +1,7 @@
-################################################################################
-# Package: MagFieldConfig
-################################################################################
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 # Declare the package name:
 atlas_subdir( MagFieldConfig )
 
 # Install files from the package:
-atlas_install_python_modules( python/*.py )
-
-
+atlas_install_python_modules( python/*.py POST_BUILD_CMD ${ATLAS_FLAKE8} )