diff --git a/src/libslic3r/BoundingBox.hpp b/src/libslic3r/BoundingBox.hpp
index 47b99443aa..5332a653ac 100644
--- a/src/libslic3r/BoundingBox.hpp
+++ b/src/libslic3r/BoundingBox.hpp
@@ -225,6 +225,8 @@ inline bool empty(const BoundingBox3Base<VT> &bb)
     return ! bb.defined || bb.min.x() >= bb.max.x() || bb.min.y() >= bb.max.y() || bb.min.z() >= bb.max.z();
 }
 
+inline BoundingBox scaled(const BoundingBoxf &bb) { return {scaled(bb.min), scaled(bb.max)}; }
+
 template<class T = coord_t>
 BoundingBoxBase<Vec<2, T>> scaled(const BoundingBoxf &bb) { return {scaled<T>(bb.min), scaled<T>(bb.max)}; }