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-rw-r--r--lib/webrick/utils.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/webrick/utils.rb b/lib/webrick/utils.rb
index 654abb28b1..f2ecfc19a8 100644
--- a/lib/webrick/utils.rb
+++ b/lib/webrick/utils.rb
@@ -89,7 +89,7 @@ module WEBrick
"abcdefghijklmnopqrstuvwxyz"
def random_string(len)
- rand_max = RAND_CHARS.size
+ rand_max = RAND_CHARS.bytesize
ret = ""
len.times{ ret << RAND_CHARS[rand(rand_max)] }
ret