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-rw-r--r--lib/ipaddr.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/ipaddr.rb b/lib/ipaddr.rb
index a91dcc56ae..933ba7f90b 100644
--- a/lib/ipaddr.rb
+++ b/lib/ipaddr.rb
@@ -607,7 +607,7 @@ class IPAddr
end
-unless Socket.const_defined? "AF_INET6"
+unless Socket.const_defined? :AF_INET6
class Socket < BasicSocket
# IPv6 protocol family
AF_INET6 = Object.new