diff --git a/ChangeLog b/ChangeLog
index 4dd7e079db..e98a60b406 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,7 @@
-Mon Oct 10 12:37:06 2016  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Mon Oct 10 12:40:04 2016  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ruby.c (open_load_file): open in binary mode if available, as
+	  parser deals with EOLs.
 
 	* io.c (prep_io): reduce isatty call (and its system call) on
 	  Cygwin.
diff --git a/ruby.c b/ruby.c
index 0e7dcc41b8..5f4ee53c92 100644
--- a/ruby.c
+++ b/ruby.c
@@ -1877,18 +1877,21 @@ open_load_file(VALUE fname_v, int *xflag)
 	   use O_NONBLOCK. */
 #if defined O_NONBLOCK && HAVE_FCNTL && !(O_NONBLOCK & O_ACCMODE)
 	/* TODO: fix conflicting O_NONBLOCK in ruby/win32.h */
-# define MODE_TO_LOAD (O_RDONLY | O_NONBLOCK)
+# define MODE_TO_LOAD (O_NONBLOCK)
 #elif defined O_NDELAY && HAVE_FCNTL && !(O_NDELAY & O_ACCMODE)
-# define MODE_TO_LOAD (O_RDONLY | O_NDELAY)
+# define MODE_TO_LOAD (O_NDELAY)
 #else
-# define MODE_TO_LOAD (O_RDONLY)
+# define MODE_TO_LOAD (0)
 #endif
-	int mode = MODE_TO_LOAD;
+	int mode = O_RDONLY |
+#ifdef O_BINARY
+	    O_BINARY |
+#endif
+	    MODE_TO_LOAD;
 #if defined DOSISH || defined __CYGWIN__
 	{
 	    const char *ext = strrchr(fname, '.');
 	    if (ext && STRCASECMP(ext, ".exe") == 0) {
-		mode |= O_BINARY;
 		*xflag = 1;
 	    }
 	}
@@ -1899,7 +1902,7 @@ open_load_file(VALUE fname_v, int *xflag)
 	}
 	rb_update_max_fd(fd);
 
-#if defined HAVE_FCNTL && MODE_TO_LOAD != O_RDONLY
+#if defined HAVE_FCNTL && MODE_TO_LOAD
 	/* disabling O_NONBLOCK */
 	if (fcntl(fd, F_SETFL, 0) < 0) {
 	    e = errno;