diff --git a/app/services/check_processor.rb b/app/services/check_processor.rb
index 37226b5..2cc626b 100644
--- a/app/services/check_processor.rb
+++ b/app/services/check_processor.rb
@@ -54,6 +54,7 @@ module CheckProcessor
   def base_scope
     Check
       .active
+      .auto
       .where("last_run_at IS NULL OR last_run_at < DATE_SUB(NOW(), INTERVAL 12 HOUR)")
   end
 
diff --git a/test/services/check_processor_test.rb b/test/services/check_processor_test.rb
index 876f8d5..b85191c 100644
--- a/test/services/check_processor_test.rb
+++ b/test/services/check_processor_test.rb
@@ -108,6 +108,16 @@ class CheckProcessorTest < ActiveSupport::TestCase
     assert_not_includes checks, c2
   end
 
+  test "resolvers does not include manual checks" do
+    c1 = create(:check, :expires_next_week)
+    c2 = create(:check, :expires_next_week, domain: "fff.wxyz")
+
+    checks = @processor.resolve_expire_short_term
+
+    assert_includes checks, c1
+    assert_not_includes checks, c2
+  end
+
   test "#sync_dates respects the interval configuration between sends" do
     create_list(:check, 3, :expires_next_week)