diff --git a/ChangeLog b/ChangeLog
index 21dffba0a2..b417e8b76b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,6 @@
-Wed Apr 27 00:50:06 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Wed Apr 27 00:51:01 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* file.c (rb_file_truncate): fix function.
 
 	* include/ruby/win32.h (ftruncate, truncate, ftello, fseeko): non-64
 	  versions on mingw are useless because they use int32_t.  fixes #4564
diff --git a/file.c b/file.c
index 476e3e8dd6..3746009aae 100644
--- a/file.c
+++ b/file.c
@@ -3963,7 +3963,7 @@ rb_file_truncate(VALUE obj, VALUE len)
 	rb_sys_fail_path(fptr->pathv);
 #else /* defined(HAVE_CHSIZE) */
     if (chsize(fptr->fd, pos) < 0)
-	rb_sys_fail(fptr->pathv);
+	rb_sys_fail_path(fptr->pathv);
 #endif
     return INT2FIX(0);
 }