diff --git a/DetectorDescription/GeoPrimitives/GeoPrimitives/ATLAS_CHECK_THREAD_SAFETY b/DetectorDescription/GeoPrimitives/GeoPrimitives/ATLAS_CHECK_THREAD_SAFETY
new file mode 100644
index 0000000000000000000000000000000000000000..976e7e06a02393943ee5385f5cc814af3f20403d
--- /dev/null
+++ b/DetectorDescription/GeoPrimitives/GeoPrimitives/ATLAS_CHECK_THREAD_SAFETY
@@ -0,0 +1 @@
+DetectorDescription/GeoPrimitives