diff --git a/Source/Core/DolphinWX/FrameTools.cpp b/Source/Core/DolphinWX/FrameTools.cpp
index 39e699cfab..0ba143172f 100644
--- a/Source/Core/DolphinWX/FrameTools.cpp
+++ b/Source/Core/DolphinWX/FrameTools.cpp
@@ -340,7 +340,7 @@ void CFrame::DoOpen(bool Boot)
 
   wxString path = wxFileSelector(
       _("Select the file to load"), wxEmptyString, wxEmptyString, wxEmptyString,
-      _("All GC/Wii files (elf, dol, gcm, iso, tgc, wbfs, ciso, gcz, wad)") +
+      _("All GC/Wii files (elf, dol, gcm, iso, tgc, wbfs, ciso, gcz, wad, dff)") +
           wxString::Format("|*.elf;*.dol;*.gcm;*.iso;*.tgc;*.wbfs;*.ciso;*.gcz;*.wad;*.dff|%s",
                            wxGetTranslation(wxALL_FILES)),
       wxFD_OPEN | wxFD_FILE_MUST_EXIST, this);