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-rw-r--r--test/webrick/test_cgi.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/test/webrick/test_cgi.rb b/test/webrick/test_cgi.rb
index 0ef1b37e4f..d930c265de 100644
--- a/test/webrick/test_cgi.rb
+++ b/test/webrick/test_cgi.rb
@@ -14,7 +14,7 @@ class TestWEBrickCGI < Test::Unit::TestCase
def req.meta_vars
meta = super
meta["RUBYLIB"] = $:.join(File::PATH_SEPARATOR)
- meta[RbConfig::CONFIG['LIBPATHENV']] = ENV[RbConfig::CONFIG['LIBPATHENV']]
+ meta[RbConfig::CONFIG['LIBPATHENV']] = ENV[RbConfig::CONFIG['LIBPATHENV']] if RbConfig::CONFIG['LIBPATHENV']
return meta
end
},