diff --git a/app/controllers/yiff_rest/api_v2/images_controller.rb b/app/controllers/yiff_rest/api_v2/images_controller.rb
index 7f0cf61..cccd787 100644
--- a/app/controllers/yiff_rest/api_v2/images_controller.rb
+++ b/app/controllers/yiff_rest/api_v2/images_controller.rb
@@ -66,7 +66,7 @@ module YiffRest
         @sp[:image_id] ||= @sp[:md5]
         @sc = (@sp[:score_cutoff].presence || 60).to_i
         if @sp[:file].present?
-          @results = Iqdb.query_file(@sp[:file], @sc)
+          @results = Iqdb.query_file(@sp[:file].tempfile, @sc)
         elsif @sp[:url].present?
           @results = Iqdb.query_url(@sp[:url], @sc)
         elsif @sp[:image_id].present?