diff --git a/include/wx/filefn.h b/include/wx/filefn.h
index c90b482522..0be6462ddb 100644
--- a/include/wx/filefn.h
+++ b/include/wx/filefn.h
@@ -107,6 +107,7 @@ WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString;
         #define   O_CREAT     _O_CREAT
         #define   O_BINARY    _O_BINARY
 
+        #define   S_IFMT      _S_IFMT
         #define   S_IFDIR     _S_IFDIR
         #define   S_IFREG     _S_IFREG
     #endif // O_RDONLY
diff --git a/src/common/filefn.cpp b/src/common/filefn.cpp
index 6363e17663..679fc5cb89 100644
--- a/src/common/filefn.cpp
+++ b/src/common/filefn.cpp
@@ -1169,7 +1169,7 @@ bool wxPathExists(const wxChar *pszPathName)
   wxStructStat st;
 
   return wxStat(wxFNSTRINGCAST strPath.fn_str(), &st) == 0 &&
-         S_ISDIR(st.st_mode);
+         ((st.st_mode & S_IFMT) == S_IFDIR);
 }
 
 // Get a temporary filename, opening and closing the file.