diff --git a/tests/filename/filenametest.cpp b/tests/filename/filenametest.cpp
index 0e8942129b..10ef920f39 100644
--- a/tests/filename/filenametest.cpp
+++ b/tests/filename/filenametest.cpp
@@ -673,8 +673,17 @@ void FileNameTestCase::TestExists()
     CPPUNIT_ASSERT( fn.FileExists() );
     CPPUNIT_ASSERT( !wxFileName::DirExists(fn.GetFullPath()) );
 
+    // FIXME-VC6: This compiler crashes with
+    //
+    //      fatal error C1001: INTERNAL COMPILER ERROR
+    //      (compiler file 'msc1.cpp', line 1794)
+    //
+    // when compiling calls to Exists() with parameter for some reason, just
+    // disable these tests there.
+#ifndef __VISUALC6__
     CPPUNIT_ASSERT( fn.Exists(wxFILE_EXISTS_REGULAR) );
     CPPUNIT_ASSERT( !fn.Exists(wxFILE_EXISTS_DIR) );
+#endif
     CPPUNIT_ASSERT( fn.Exists() );
 
     const wxString& tempdir = wxFileName::GetTempDir();
@@ -687,8 +696,10 @@ void FileNameTestCase::TestExists()
     CPPUNIT_ASSERT( !dirTemp.FileExists() );
     CPPUNIT_ASSERT( dirTemp.DirExists() );
 
+#ifndef __VISUALC6__
     CPPUNIT_ASSERT( dirTemp.Exists(wxFILE_EXISTS_DIR) );
     CPPUNIT_ASSERT( !dirTemp.Exists(wxFILE_EXISTS_REGULAR) );
+#endif
     CPPUNIT_ASSERT( dirTemp.Exists() );
 
 #ifdef __UNIX__