diff --git a/src/slic3r/GUI/Search.cpp b/src/slic3r/GUI/Search.cpp
index 05517c8532..951e01b691 100644
--- a/src/slic3r/GUI/Search.cpp
+++ b/src/slic3r/GUI/Search.cpp
@@ -575,6 +575,12 @@ SearchDialog::SearchDialog(OptionsSearcher* searcher)
     topSizer->SetSizeHints(this);
 }
 
+SearchDialog::~SearchDialog()
+{
+    if (search_list_model)
+        search_list_model->DecRef();
+}
+
 void SearchDialog::Popup(wxPoint position /*= wxDefaultPosition*/)
 {
     const std::string& line = searcher->search_string();
diff --git a/src/slic3r/GUI/Search.hpp b/src/slic3r/GUI/Search.hpp
index 32b1c22fde..99c3b319e7 100644
--- a/src/slic3r/GUI/Search.hpp
+++ b/src/slic3r/GUI/Search.hpp
@@ -182,7 +182,7 @@ class SearchDialog : public GUI::DPIDialog
 
 public:
     SearchDialog(OptionsSearcher* searcher);
-    ~SearchDialog() {}
+    ~SearchDialog();
 
     void Popup(wxPoint position = wxDefaultPosition);
     void ProcessSelection(wxDataViewItem selection);