diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 65cf326df..a0deb52e3 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -1526,6 +1526,7 @@ struct Plater::priv
     static const std::regex pattern_prusa;
 
     priv(Plater *q, MainFrame *main_frame);
+    ~priv();
 
     void update(bool force_full_scene_refresh = false);
     void select_view(const std::string& direction);
@@ -1795,6 +1796,12 @@ Plater::priv::priv(Plater *q, MainFrame *main_frame)
     camera.set_type(get_config("use_perspective_camera"));
 }
 
+Plater::priv::~priv()
+{
+    if (config != nullptr)
+        delete config;
+}
+
 void Plater::priv::update(bool force_full_scene_refresh)
 {
     // the following line, when enabled, causes flickering on NVIDIA graphics cards