diff --git a/src/slic3r/GUI/GCodeViewer.cpp b/src/slic3r/GUI/GCodeViewer.cpp
index 671fdbe6e..69e652d4f 100644
--- a/src/slic3r/GUI/GCodeViewer.cpp
+++ b/src/slic3r/GUI/GCodeViewer.cpp
@@ -2067,8 +2067,19 @@ void GCodeViewer::load_shells(const Print& print, bool initialized)
             instance_ids[i] = i;
         }
 
+        size_t current_volumes_count = m_shells.volumes.volumes.size();
         m_shells.volumes.load_object(model_obj, object_id, instance_ids, "object", initialized);
 
+        // adjust shells' z if raft is present
+        const SlicingParameters& slicing_parameters = obj->slicing_parameters();
+        if (slicing_parameters.object_print_z_min != 0.0) {
+            const Vec3d z_offset = slicing_parameters.object_print_z_min * Vec3d::UnitZ();
+            for (size_t i = current_volumes_count; i < m_shells.volumes.volumes.size(); ++i) {
+                GLVolume* v = m_shells.volumes.volumes[i];
+                v->set_volume_offset(v->get_volume_offset() + z_offset);
+            }
+        }
+
         ++object_id;
     }