diff --git a/lib/mobility/backends/active_record/table.rb b/lib/mobility/backends/active_record/table.rb
index 195625a4..6487c3c2 100644
--- a/lib/mobility/backends/active_record/table.rb
+++ b/lib/mobility/backends/active_record/table.rb
@@ -109,7 +109,13 @@ def configure(options)
             options[:association_name] = :translations
             options[:subclass_name] ||= :Translation
           end
-          %i[foreign_key association_name subclass_name table_name].each { |key| options[key] = options[key].to_sym }
+          %i[foreign_key association_name subclass_name table_name].each { |key|
+            if options[key].is_a?(Array)
+              options[key] = options[key].map!(&:to_sym)
+            else
+              options[key] = options[key].to_sym
+            end
+          }
         end
         # @!endgroup
 
diff --git a/spec/mobility/backends/active_record/table_spec.rb b/spec/mobility/backends/active_record/table_spec.rb
index 774768e6..f016e1d3 100644
--- a/spec/mobility/backends/active_record/table_spec.rb
+++ b/spec/mobility/backends/active_record/table_spec.rb
@@ -265,6 +265,11 @@
       backend_class.configure(options)
       expect(options[:foreign_key]).to eq(:article_id)
     end
+
+    it "sets composite foreign_key" do
+      backend_class.configure(options)
+      expect(options[:foreign_key]).to eq([:article_id, :article_type])
+    end
   end
 
   describe "with query plugin" do