diff --git a/lib/searchkick/relation.rb b/lib/searchkick/relation.rb
index 95addb8..2846a8f 100644
--- a/lib/searchkick/relation.rb
+++ b/lib/searchkick/relation.rb
@@ -254,12 +254,12 @@ module Searchkick
       self
     end
 
-    def scroll(value, &block)
-      spawn.scroll!(value, &block)
+    def scroll(value = nil, &block)
+      spawn.scroll!(value = nil, &block)
     end
 
-    def scroll!(value, &block)
-      options[:scroll] = value
+    def scroll!(value = nil, &block)
+      options[:scroll] = value if value
       if block
         execute.scroll(&block)
       else
@@ -267,6 +267,15 @@ module Searchkick
       end
     end
 
+    def routing(value)
+      spawn.routing!(value)
+    end
+
+    def routing!(value)
+      options[:routing] = value
+      self
+    end
+
     # same as Active Record
     def inspect
       entries = results.first(11).map!(&:inspect)
@@ -274,6 +283,11 @@ module Searchkick
       "#<#{self.class.name} [#{entries.join(', ')}]>"
     end
 
+    # private
+    def query
+      Query.new(klass, term, options)
+    end
+
     private
 
     def hash_args(old, new)
@@ -299,7 +313,7 @@ module Searchkick
 
     # TODO reset when ! methods called
     def execute
-      @execute ||= Query.new(klass, term, options).execute
+      @execute ||= query.execute
     end
 
     def spawn
diff --git a/test/routing_test.rb b/test/routing_test.rb
index f2ec672..b6991d2 100644
--- a/test/routing_test.rb
+++ b/test/routing_test.rb
@@ -4,6 +4,9 @@ class RoutingTest < Minitest::Test
   def test_routing_query
     query = Store.search("Dollar Tree", routing: "Dollar Tree", execute: false)
     assert_equal query.params[:routing], "Dollar Tree"
+
+    query = Store.search("Dollar Tree", relation: true).routing("Dollar Tree").query
+    assert_equal query.params[:routing], "Dollar Tree"
   end
 
   def test_routing_mappings
--
libgit2 0.21.0