diff --git a/src/mecab/src/mmap.h b/src/mecab/src/mmap.h
index d30c1d9..9dec357 100644
--- a/src/mecab/src/mmap.h
+++ b/src/mecab/src/mmap.h
@@ -105,9 +105,9 @@ template <class T> class Mmap {
     }
 
 #if 0 /* for Open JTalk */
-    hFile = ::CreateFileA(filename, mode1, FILE_SHARE_READ, 0,
+    hFile = ::CreateFileA(filename, mode1, FILE_SHARE_READ | FILE_SHARE_DELETE, 0,
 #else
-    hFile = ::CreateFileW(WPATH(filename), mode1, FILE_SHARE_READ, 0,
+    hFile = ::CreateFileW(WPATH(filename), mode1, FILE_SHARE_READ | FILE_SHARE_DELETE, 0,
 #endif
                           OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
     CHECK_FALSE(hFile != INVALID_HANDLE_VALUE)