lib/ardb/has_slug.rb in ardb-0.27.1 vs lib/ardb/has_slug.rb in ardb-0.27.2

@@ -84,10 +84,10 @@
         preprocessor       = options[:preprocessor]
         separator          = options[:separator]
         allow_underscores  = options[:allow_underscores]
         regexp_escaped_sep = Regexp.escape(separator)
 
-        slug = preprocessor.call(string.to_s)
+        slug = preprocessor.call(string.to_s.dup)
         # Turn unwanted chars into the separator
         slug.gsub!(/[^\w#{regexp_escaped_sep}]+/, separator)
         # Turn underscores into the separator, unless allowing
         slug.gsub!(/_/, separator) unless allow_underscores
         # No more than one of the separator in a row.