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-rw-r--r--lib/tmpdir.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/tmpdir.rb b/lib/tmpdir.rb
index adbe404146..3c6c00bc8e 100644
--- a/lib/tmpdir.rb
+++ b/lib/tmpdir.rb
@@ -21,7 +21,7 @@ class Dir
def self.tmpdir
if $SAFE > 0
- @@systmpdir
+ @@systmpdir.dup
else
tmp = nil
[ENV['TMPDIR'], ENV['TMP'], ENV['TEMP'], @@systmpdir, '/tmp', '.'].each do |dir|