diff --git a/mecab/src/common.h b/mecab/src/common.h
index 4ed43c9..d1fc459 100644
--- a/mecab/src/common.h
+++ b/mecab/src/common.h
@@ -81,9 +81,15 @@
 #define EXIT_SUCCESS 0
 #endif
 
-#if defined(_WIN32) && !defined(__CYGWIN__)
-#define WPATH(path) (MeCab::Utf8ToWide(path).c_str())
+#ifdef _WIN32
+#ifdef __GNUC__
+#define WPATH_FORCE(path) (MeCab::Utf8ToWide(path).c_str())
+#define WPATH(path) (path)
+#else
+#define WPATH(path) WPATH_FORCE(path)
+#endif
 #else
+#define WPATH_FORCE(path) (path)
 #define WPATH(path) (path)
 #endif
 
diff --git a/mecab/src/mmap.h b/mecab/src/mmap.h
index 4ef8003..63243ca 100644
--- a/mecab/src/mmap.h
+++ b/mecab/src/mmap.h
@@ -104,7 +104,7 @@ template <class T> class Mmap {
       CHECK_FALSE(false) << "unknown open mode:" << filename;
     }
 
-    hFile = ::CreateFileW(WPATH(filename), mode1, FILE_SHARE_READ, 0,
+    hFile = ::CreateFileW(WPATH_FORCE(filename), mode1, FILE_SHARE_READ, 0,
                           OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
     CHECK_FALSE(hFile != INVALID_HANDLE_VALUE)
         << "CreateFile() failed: " << filename;