lib/searchkick/index_options.rb in searchkick-1.4.1 vs lib/searchkick/index_options.rb in searchkick-1.4.2

@@ -177,10 +177,10 @@
         synonyms = synonyms.call if synonyms.respond_to?(:call)
 
         if synonyms.any?
           settings[:analysis][:filter][:searchkick_synonym] = {
             type: "synonym",
-            synonyms: synonyms.select { |s| s.size > 1 }.map { |s| s.join(",") }
+            synonyms: synonyms.select { |s| s.size > 1 }.map { |s| s.is_a?(Array) ? s.join(",") : s }
           }
           # choosing a place for the synonym filter when stemming is not easy
           # https://groups.google.com/forum/#!topic/elasticsearch/p7qcQlgHdB8
           # TODO use a snowball stemmer on synonyms when creating the token filter