diff --git a/xs/src/slic3r/GUI/GUI_ObjectParts.cpp b/xs/src/slic3r/GUI/GUI_ObjectParts.cpp
index 93d649abf..aae583ea9 100644
--- a/xs/src/slic3r/GUI/GUI_ObjectParts.cpp
+++ b/xs/src/slic3r/GUI/GUI_ObjectParts.cpp
@@ -1476,7 +1476,7 @@ void set_extruder_column_hidden(bool hide)
 void update_extruder_in_config(const wxString& selection)
 {
     printf("BEGIN OF update_extruder_in_config\n");
-    if (!*m_config || selection.empty())
+    if (!m_config || selection.empty())
         return;
 
     int extruder = selection.size() > 1 ? 0 : atoi(selection.c_str());