diff --git a/CHANGELOG.md b/CHANGELOG.md
index 895bf7ded..2a47900db 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Master (Unreleased)
 
+- Fix an error for `RSpec/SharedExamples` when using examples without argument. ([@ydah])
+
 ## 2.26.0 (2024-01-04)
 
 - Add new `RSpec/RedundantPredicateMatcher` cop. ([@ydah])
diff --git a/lib/rubocop/cop/rspec/shared_examples.rb b/lib/rubocop/cop/rspec/shared_examples.rb
index c9cd15a6b..552243bd9 100644
--- a/lib/rubocop/cop/rspec/shared_examples.rb
+++ b/lib/rubocop/cop/rspec/shared_examples.rb
@@ -53,7 +53,7 @@ class SharedExamples < Base
 
         def on_send(node)
           shared_examples(node) do
-            ast_node = node.first_argument
+            next unless (ast_node = node.first_argument)
             next unless offense?(ast_node)
 
             checker = new_checker(ast_node)
diff --git a/spec/rubocop/cop/rspec/shared_examples_spec.rb b/spec/rubocop/cop/rspec/shared_examples_spec.rb
index 834045acc..87e44d30d 100644
--- a/spec/rubocop/cop/rspec/shared_examples_spec.rb
+++ b/spec/rubocop/cop/rspec/shared_examples_spec.rb
@@ -150,5 +150,18 @@
         end
       RUBY
     end
+
+    context 'when using run_test!' do
+      before do
+        other_cops.dig('RSpec', 'Language', 'Includes', 'Examples')
+          .push('run_test!')
+      end
+
+      it 'does not occur an error' do
+        expect_no_offenses(<<~RUBY)
+          run_test!
+        RUBY
+      end
+    end
   end
 end