diff --git a/src/libslic3r/Arrange/ArrangeImpl.hpp b/src/libslic3r/Arrange/ArrangeImpl.hpp
index c0e6be35f8..e487d1a0d1 100644
--- a/src/libslic3r/Arrange/ArrangeImpl.hpp
+++ b/src/libslic3r/Arrange/ArrangeImpl.hpp
@@ -292,7 +292,7 @@ class DefaultArranger: public Arranger<ArrItem> {
 
         firstfit::SelectionStrategy sel{cmpfn, on_arranged, stop_cond};
 
-        constexpr auto ep = ex_seq;
+        constexpr auto ep = ex_tbb;
 
         VariantKernel basekernel;
         switch (m_settings.get_arrange_strategy()) {