* io.c (rb_io_s_sysopen): use NUM2MODET() instead NUM2UINT().

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30823 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/io.c b/io.c
index 89932953ef..a50159771c 100644
--- a/io.c
+++ b/io.c
@@ -5521,7 +5521,7 @@ rb_io_s_sysopen(int argc, VALUE *argv)
 	oflags = rb_io_modestr_oflags(StringValueCStr(vmode));
     }
     if (NIL_P(vperm)) perm = 0666;
-    else              perm = NUM2UINT(vperm);
+    else              perm = NUM2MODET(vperm);
 
     RB_GC_GUARD(fname) = rb_str_new4(fname);
     fd = rb_sysopen(fname, oflags, perm);