diff --git a/lib/check_search.rb b/lib/check_search.rb
index d8707e31a..126b37168 100644
--- a/lib/check_search.rb
+++ b/lib/check_search.rb
@@ -172,7 +172,7 @@ def should_hit_elasticsearch?
   end
 
   def media_types_filter
-    MEDIA_TYPES & @options['show']
+    [MEDIA_TYPES, 'blank'].flatten & @options['show']
   end
 
   def get_pg_results