diff --git a/src/AudacityApp.cpp b/src/AudacityApp.cpp
index df3fd429a..1687da323 100644
--- a/src/AudacityApp.cpp
+++ b/src/AudacityApp.cpp
@@ -1590,7 +1590,13 @@ bool AudacityApp::IsTempDirectoryNameOK( const wxString & Name ){
    // use Long Path to expand out any abbreviated long substrings.
    wxString BadPath = tmpFile.GetLongPath();
    ::wxRemoveFile(tmpFile.GetFullPath());
+
 #ifdef __WXMAC__
+   // This test is to fix bug 1220 on a 1.x to 2.x to 2.1.3 upgrade.
+   // It is very slightly less permissive than we could be as it stops a path
+   // with this string ANYWHERE within it.
+   if( Name.Contains( "/tmp/audacity1.") )
+      return false;
    BadPath = BadPath.BeforeLast( '/' ) + "/";
    wxFileName cmpFile( Name );
    wxString NameCanonical = cmpFile.GetLongPath( ) + "/";