diff --git a/src/slic3r/GUI/GUI_ObjectList.cpp b/src/slic3r/GUI/GUI_ObjectList.cpp
index 164679645..d6bbbeba1 100644
--- a/src/slic3r/GUI/GUI_ObjectList.cpp
+++ b/src/slic3r/GUI/GUI_ObjectList.cpp
@@ -1698,11 +1698,16 @@ void ObjectList::load_generic_subobject(const std::string& type_name, const Mode
     new_volume->set_transformation(Geometry::Transformation::volume_to_bed_transformation(v->get_instance_transformation(), mesh_bb));
 #endif // ENABLE_WORLD_COORDINATE
     // Set the modifier position.
-    auto offset = (type_name == "Slab") ?
-        // Slab: Lift to print bed
-		Vec3d(0., 0., 0.5 * mesh_bb.size().z() + instance_bb.min.z() - v->get_instance_offset().z()) :
+    Vec3d offset;
+    if (type_name == "Slab") {
+        Vec3d inst_center = instance_bb.center() - v->get_instance_offset();
+        // Slab: Lift to print bed and and push to the center of instance
+        offset = Vec3d(inst_center.x(), inst_center.y(), 0.5 * mesh_bb.size().z() + instance_bb.min.z() - v->get_instance_offset().z());
+    }
+    else {
         // Translate the new modifier to be pickable: move to the left front corner of the instance's bounding box, lift to print bed.
-        Vec3d(instance_bb.max.x(), instance_bb.min.y(), instance_bb.min.z()) + 0.5 * mesh_bb.size() - v->get_instance_offset();
+        offset = Vec3d(instance_bb.max.x(), instance_bb.min.y(), instance_bb.min.z()) + 0.5 * mesh_bb.size() - v->get_instance_offset();
+    }
 #if ENABLE_WORLD_COORDINATE
     new_volume->set_offset(v->get_instance_transformation().get_matrix_no_offset().inverse() * offset);
 #else