diff --git a/lib/rubocop/cop/internal_affairs/node_matcher_directive.rb b/lib/rubocop/cop/internal_affairs/node_matcher_directive.rb
index dcf36b49c521..f1956529a762 100644
--- a/lib/rubocop/cop/internal_affairs/node_matcher_directive.rb
+++ b/lib/rubocop/cop/internal_affairs/node_matcher_directive.rb
@@ -97,7 +97,7 @@ def formatted_message(directive, actual_name, method_name)
 
         def insert_directive(corrector, node, actual_name)
           # If the pattern matcher uses arguments (`%1`, `%2`, etc.), include them in the directive
-          arguments = pattern_arguments(node.arguments[1].value)
+          arguments = pattern_arguments(node.arguments[1].source)
 
           range = range_with_surrounding_space(
             range: node.loc.expression,
diff --git a/spec/rubocop/cop/internal_affairs/node_matcher_directive_spec.rb b/spec/rubocop/cop/internal_affairs/node_matcher_directive_spec.rb
index 2f4d7fafd7c5..6db361b25a5f 100644
--- a/spec/rubocop/cop/internal_affairs/node_matcher_directive_spec.rb
+++ b/spec/rubocop/cop/internal_affairs/node_matcher_directive_spec.rb
@@ -29,6 +29,18 @@
       RUBY
     end
 
+    it 'registers an offense if the matcher does not have a directive and a method call is used for a pattern argument' do
+      expect_offense(<<~RUBY, method: method)
+        #{method} :foo?, format(PATTERN, type: 'const')
+        ^{method}^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Preceed `#{method}` with a `@!method` YARD directive.
+      RUBY
+
+      expect_correction(<<~RUBY)
+        # @!method foo?(node)
+        #{method} :foo?, format(PATTERN, type: 'const')
+      RUBY
+    end
+
     it 'registers an offense if the matcher does not have a directive but has preceeding comments' do
       expect_offense(<<~RUBY, method: method)
         # foo