diff --git a/src/export/ExportMP3.cpp b/src/export/ExportMP3.cpp
index e7b9d33dd..e0eff819a 100644
--- a/src/export/ExportMP3.cpp
+++ b/src/export/ExportMP3.cpp
@@ -1557,6 +1557,7 @@ public:
 
    ExportMP3();
    void Destroy();
+   bool CheckFileName(wxFileName & filename, int format);
 
    // Required
 
@@ -1599,6 +1600,21 @@ void ExportMP3::Destroy()
    delete this;
 }
 
+bool ExportMP3::CheckFileName(wxFileName & WXUNUSED(filename), int WXUNUSED(format))
+{
+   MP3Exporter exporter;
+
+   if (!exporter.LoadLibrary(wxTheApp->GetTopWindow(), MP3Exporter::Maybe)) {
+      wxMessageBox(_("Could not open MP3 encoding library!"));
+      gPrefs->Write(wxT("/MP3/MP3LibPath"), wxString(wxT("")));
+      gPrefs->Flush();
+
+      return false;
+   }
+
+   return true;
+}
+
 int ExportMP3::Export(AudacityProject *project,
                        int channels,
                        wxString fName,