diff --git a/Simulation/G4Extensions/G4ScoringProcess/ATLAS_CHECK_THREAD_SAFETY b/Simulation/G4Extensions/G4ScoringProcess/ATLAS_CHECK_THREAD_SAFETY
new file mode 100644
index 0000000000000000000000000000000000000000..e006b33ce287b5b6134280ad986e92fc663078ed
--- /dev/null
+++ b/Simulation/G4Extensions/G4ScoringProcess/ATLAS_CHECK_THREAD_SAFETY
@@ -0,0 +1 @@
+Simulation/G4Extensions/G4ScoringProcess