diff --git a/lib/searchkick/model.rb b/lib/searchkick/model.rb
index b7b04c0..a4be03d 100644
--- a/lib/searchkick/model.rb
+++ b/lib/searchkick/model.rb
@@ -78,7 +78,7 @@ module Searchkick
 
           def searchkick_reindex(method_name = nil, **options)
             scoped = Searchkick.relation?(self)
-            relation = scoped ? all : searchkick_klass
+            relation = scoped ? all : searchkick_klass.all
             # prevent scope from affecting search_data
             unscoped do
               searchkick_index.reindex(relation, method_name, scoped: scoped, **options)
diff --git a/test/reindex_test.rb b/test/reindex_test.rb
index 03d20b4..f721090 100644
--- a/test/reindex_test.rb
+++ b/test/reindex_test.rb
@@ -185,6 +185,12 @@ class ReindexTest < Minitest::Test
     assert_match "unsupported keywords: :async", error.message
   end
 
+  def test_full_default_scope
+    store_names ["Test", "Test 2"], Band, reindex: false
+    Band.reindex
+    assert_search "*", ["Test"], {load: false}, Band
+  end
+
   def test_callbacks_false
     Searchkick.callbacks(false) do
       store_names ["Product A", "Product B"]
--
libgit2 0.21.0