lib/ipaddress.rb in ipaddress-0.8.2 vs lib/ipaddress.rb in ipaddress-0.8.3

@@ -212,10 +212,10 @@
 end
 
 #
 # Compatibility with Ruby 1.8
 #
-if RUBY_VERSION =~ /1\.8/
+if RUBY_VERSION =~ /^1\.8/
   class Hash # :nodoc:
     alias :key :index
   end
   module Math # :nodoc:
     def Math.log2(n)