diff --git a/lib/searchkick/query.rb b/lib/searchkick/query.rb
index 834edee..539aaf3 100644
--- a/lib/searchkick/query.rb
+++ b/lib/searchkick/query.rb
@@ -349,11 +349,7 @@ module Searchkick
             if field =~ /\.word_(start|middle|end)\z/ && searchkick_options[:word] != false
               queries_to_add << {
                 bool: {
-                  must: {
-                    bool: {
-                      should: q2
-                    }
-                  },
+                  must: q2,
                   should: {match_type => {field.sub(/\.word_(start|middle|end)\z/, ".analyzed") => qs.first}}
                 }
               }
--
libgit2 0.21.0