diff --git a/lib/searchkick/relation.rb b/lib/searchkick/relation.rb
index b406f3d..1618253 100644
--- a/lib/searchkick/relation.rb
+++ b/lib/searchkick/relation.rb
@@ -163,6 +163,15 @@ module Searchkick
       self
     end
 
+    def operator(value)
+      spawn.operator!(value)
+    end
+
+    def operator!(value)
+      options[:operator] = value
+      self
+    end
+
     # same as Active Record
     def inspect
       entries = results.first(11).map!(&:inspect)
diff --git a/test/sql_test.rb b/test/sql_test.rb
index 2e52da4..0adc421 100644
--- a/test/sql_test.rb
+++ b/test/sql_test.rb
@@ -5,11 +5,14 @@ class SqlTest < Minitest::Test
     store_names ["Honey"]
     assert_search "fresh honey", []
     assert_search "fresh honey", ["Honey"], operator: "or"
+    assert_search_relation ["Honey"], Product.search("fresh honey", relation: true).operator(:or)
   end
 
   def test_operator_scoring
     store_names ["Big Red Circle", "Big Green Circle", "Small Orange Circle"]
-    assert_order "big red circle", ["Big Red Circle", "Big Green Circle", "Small Orange Circle"], operator: "or"
+    expected = ["Big Red Circle", "Big Green Circle", "Small Orange Circle"]
+    assert_order "big red circle", expected, operator: "or"
+    assert_search_relation expected, Product.search("big red circle", relation: true).operator(:or)
   end
 
   def test_fields_operator
@@ -20,7 +23,9 @@ class SqlTest < Minitest::Test
       {name: "magenta", color: "red blue"},
       {name: "green", color: "green"}
     ]
-    assert_search "red blue", ["red", "blue", "cyan", "magenta"], operator: "or", fields: ["color"]
+    expected = ["red", "blue", "cyan", "magenta"]
+    assert_search "red blue", expected, operator: "or", fields: ["color"]
+    assert_search_relation expected, Product.search("red blue", relation: true).operator(:or).fields(:color)
   end
 
   def test_fields
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 82d8161..2fd23fa 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -87,6 +87,10 @@ class Minitest::Test
     assert_equal expected.sort, klass.search(term, **options).map(&:name).sort
   end
 
+  def assert_search_relation(expected, relation)
+    assert_equal expected.sort, relation.map(&:name).sort
+  end
+
   def assert_order(term, expected, options = {}, klass = Product)
     assert_equal expected, klass.search(term, **options).map(&:name)
   end
--
libgit2 0.21.0