diff --git a/xs/src/libslic3r/Print.cpp b/xs/src/libslic3r/Print.cpp
index 13f4fab79..a3f5e231f 100644
--- a/xs/src/libslic3r/Print.cpp
+++ b/xs/src/libslic3r/Print.cpp
@@ -510,6 +510,8 @@ std::string Print::validate() const
 {
     BoundingBox bed_box_2D = get_extents(Polygon::new_scale(config.bed_shape.values));
     BoundingBoxf3 print_volume(Pointf3(unscale(bed_box_2D.min.x), unscale(bed_box_2D.min.y), 0.0), Pointf3(unscale(bed_box_2D.max.x), unscale(bed_box_2D.max.y), config.max_print_height));
+    // Allow the objects to protrude below the print bed, only the part of the object above the print bed will be sliced.
+    print_volume.min.z = -1e10;
     for (PrintObject *po : this->objects) {
         if (! print_volume.contains(po->model_object()->tight_bounding_box(false)))
             return "Some objects are outside of the print volume.";