diff --git a/src/msw/ole/dataobj.cpp b/src/msw/ole/dataobj.cpp
index 3c66ba49e0..7e2d2132a8 100644
--- a/src/msw/ole/dataobj.cpp
+++ b/src/msw/ole/dataobj.cpp
@@ -474,7 +474,7 @@ STDMETHODIMP wxIDataObject::SetData(FORMATETC *pformatetc,
     || ( defined(__MWERKS__) && defined(__WXMSW__) )
                         size = std::wcslen((const wchar_t *)pBuf) * sizeof(wchar_t);
 #else
-                        size = ::wcslen((const wchar_t *)pBuf) * sizeof(wchar_t);
+                        size = wxWcslen((const wchar_t *)pBuf) * sizeof(wchar_t);
 #endif
                         break;
 #endif
diff --git a/src/msw/volume.cpp b/src/msw/volume.cpp
index 6f4ada640d..628dc4e66c 100644
--- a/src/msw/volume.cpp
+++ b/src/msw/volume.cpp
@@ -102,7 +102,7 @@ static WNetCloseEnumPtr s_pWNetCloseEnum;
 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 static long s_cancelSearch = FALSE;
 
-struct FileInfo : public wxObject
+struct FileInfo
 {
     FileInfo(unsigned flag=0, wxFSVolumeKind type=wxFS_VOL_OTHER) :
         m_flags(flag), m_type(type) {}
@@ -119,7 +119,14 @@ struct FileInfo : public wxObject
     wxFSVolumeKind m_type;
 };
 WX_DECLARE_STRING_HASH_MAP(FileInfo, FileInfoMap);
-static FileInfoMap s_fileInfo(25);
+// Cygwin bug (?) destructor for global s_fileInfo is called twice...
+static FileInfoMap& GetFileInfoMap()
+{
+    static FileInfoMap s_fileInfo(25);
+
+    return s_fileInfo;
+}
+#define s_fileInfo (GetFileInfoMap())
 
 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 // Other initialization.