diff --git a/src/slic3r/GUI/Gizmos/GLGizmoSVG.cpp b/src/slic3r/GUI/Gizmos/GLGizmoSVG.cpp
index 6da0d6b878..f1fd4761c9 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoSVG.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoSVG.cpp
@@ -40,6 +40,7 @@ using namespace Slic3r::GUI::Emboss;
 
 GLGizmoSVG::GLGizmoSVG(GLCanvas3D &parent)
     : GLGizmoBase(parent, M_ICON_FILENAME, -3)
+    , m_gui_cfg(nullptr)
     , m_rotate_gizmo(parent, GLGizmoRotate::Axis::Z) // grab id = 2 (Z axis)
 {
     m_rotate_gizmo.set_group_id(0);
diff --git a/src/slic3r/GUI/Gizmos/GLGizmoSVG.hpp b/src/slic3r/GUI/Gizmos/GLGizmoSVG.hpp
index 7ff6c8225c..42785759f7 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoSVG.hpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoSVG.hpp
@@ -130,7 +130,7 @@ private:
     bool on_mouse_for_translate(const wxMouseEvent &mouse_event);
     
     struct GuiCfg;
-    std::unique_ptr<const GuiCfg> m_gui_cfg = nullptr;
+    std::unique_ptr<const GuiCfg> m_gui_cfg;
 
     // actual selected only one volume - with emboss data
     ModelVolume *m_volume = nullptr;