diff --git a/lib/rubocop/cop/rails/helper_instance_variable.rb b/lib/rubocop/cop/rails/helper_instance_variable.rb
index 80d7ab43a3..8e33d719e6 100644
--- a/lib/rubocop/cop/rails/helper_instance_variable.rb
+++ b/lib/rubocop/cop/rails/helper_instance_variable.rb
@@ -31,7 +31,7 @@ def on_ivar(node)
         end
 
         def on_ivasgn(node)
-          add_offense(node)
+          add_offense(node, location: :name)
         end
       end
     end
diff --git a/spec/rubocop/cop/rails/helper_instance_variable_spec.rb b/spec/rubocop/cop/rails/helper_instance_variable_spec.rb
index 7d0335191f..07322ac44e 100644
--- a/spec/rubocop/cop/rails/helper_instance_variable_spec.rb
+++ b/spec/rubocop/cop/rails/helper_instance_variable_spec.rb
@@ -16,7 +16,7 @@ def welcome_message
     expect_offense(<<-RUBY.strip_indent)
       def welcome_message(user)
         @user_name = user.name
-        ^^^^^^^^^^^^^^^^^^^^^^ Do not use instance variables in helpers.
+        ^^^^^^^^^^ Do not use instance variables in helpers.
       end
     RUBY
   end