diff --git a/src/Internat.cpp b/src/Internat.cpp
index b92054507..a6411ac50 100644
--- a/src/Internat.cpp
+++ b/src/Internat.cpp
@@ -39,6 +39,7 @@ and on Mac OS X for the filesystem.
 // Otherwise, you get link errors.
 
 wxChar Internat::mDecimalSeparator = wxT('.'); // default
+// exclude is used by SanitiseFilename.
 wxArrayString Internat::exclude;
 
 // DA: Use tweaked translation mechanism to replace 'Audacity' by 'DarkAudacity'.
@@ -106,7 +107,10 @@ void Internat::Init()
       exclude.push_back(wxString{ cc });
 
    // The path separators may not be forbidden, so add them
-   auto separators = wxFileName::GetPathSeparators(format);
+   //auto separators = wxFileName::GetPathSeparators(format);
+
+   // Bug 1441 exclude all separators from filenames on all platforms.
+   auto separators = wxString("\\/");
 
    for(auto cc: separators) {
       if (forbid.Find(cc) == wxNOT_FOUND)