diff --git a/src/slic3r/GUI/GUI_Preview.cpp b/src/slic3r/GUI/GUI_Preview.cpp
index f1607bafa..156444a51 100644
--- a/src/slic3r/GUI/GUI_Preview.cpp
+++ b/src/slic3r/GUI/GUI_Preview.cpp
@@ -774,7 +774,8 @@ void Preview::update_layers_slider_mode()
                         return false;
 
                     for (ModelVolume* volume : object->volumes)
-                        if ((volume->config.has("extruder") &&
+                        if ((volume->config.has("extruder") && 
+                            volume->config.option("extruder")->getInt() != 0 && // extruder isn't default
                             volume->config.option("extruder")->getInt() != extruder) ||
                             !volume->mmu_segmentation_facets.empty())
                             return false;