diff --git a/lib/searchkick/relation.rb b/lib/searchkick/relation.rb
index 1d7d575..dcd6eee 100644
--- a/lib/searchkick/relation.rb
+++ b/lib/searchkick/relation.rb
@@ -110,7 +110,7 @@ module Searchkick
     end
 
     def unscope!(*args)
-      @options = options.except(*args)
+      @options.except!(*args)
       self
     end
 
--
libgit2 0.21.0