lib/lookup_by/cache.rb in lookup_by-0.10.6 vs lib/lookup_by/cache.rb in lookup_by-0.10.7

@@ -200,17 +200,17 @@
     if @safe
       def cache_write(object)
         return unless object
 
         @mutex.synchronize do
-          @reverse[object.send(@field)] = @cache[object.id] = object
+          @reverse[object.send(@field).to_s] = @cache[object.id] = object
         end
       end
     else
       def cache_write(object)
         return unless object
 
-        @reverse[object.send(@field)] = @cache[object.id] = object
+        @reverse[object.send(@field).to_s] = @cache[object.id] = object
       end
     end
 
     def db_write(value)
       column = column_for(value)