Index: src/clipper/clipper.hpp
--- src/clipper/clipper.hpp.orig
+++ src/clipper/clipper.hpp
@@ -39,7 +39,7 @@
 
 #include <Eigen/Geometry> 
 
-#include <oneapi/tbb/scalable_allocator.h>
+#include <tbb/scalable_allocator.h>
 
 #define CLIPPER_VERSION "6.2.6"
 
