diff --git a/src/slic3r/GUI/Tab.cpp b/src/slic3r/GUI/Tab.cpp
index 518e6e9b86..3dbab1cd1d 100644
--- a/src/slic3r/GUI/Tab.cpp
+++ b/src/slic3r/GUI/Tab.cpp
@@ -2112,7 +2112,8 @@ void TabFilament::update_extruder_combobox_visibility()
 
 void TabFilament::update_extruder_combobox()
 {
-    const size_t extruder_cnt = static_cast<const ConfigOptionFloats*>(m_preset_bundle->printers.get_edited_preset().config.option("nozzle_diameter"))->values.size();
+    const size_t extruder_cnt = m_preset_bundle->printers.get_selected_preset().printer_technology() == ptSLA ? m_extruders_cb->GetCount() :
+                                static_cast<const ConfigOptionFloats*>(m_preset_bundle->printers.get_edited_preset().config.option("nozzle_diameter"))->values.size();
 
     if (extruder_cnt != m_extruders_cb->GetCount()) {
         m_extruders_cb->Clear();