diff --git a/.rubocop.yml b/.rubocop.yml
index c5728e1..5814c60 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -63,6 +63,7 @@ RSpec/ContextWording:
   Prefixes:
     - when
     - with
+    - without
     - for
 
 RSpec/DescribeClass:
diff --git a/mrblib/rf/container.rb b/mrblib/rf/container.rb
index 1208549..2a0944d 100644
--- a/mrblib/rf/container.rb
+++ b/mrblib/rf/container.rb
@@ -28,8 +28,8 @@ def hash?
     end
 
     %i[gsub gsub! match match? sub sub! tr tr!].each do |sym|
-      define_method(sym) do |*args|
-        _.__send__(sym, *args) if string?
+      define_method(sym) do |*args, &block|
+        _.__send__(sym, *args, &block) if string?
       end
     end
 
diff --git a/spec/method_spec.rb b/spec/method_spec.rb
index d35b18b..0dc2589 100644
--- a/spec/method_spec.rb
+++ b/spec/method_spec.rb
@@ -30,13 +30,25 @@
   end
 
   describe '#match' do
-    let(:input) { 'foo' }
-    let(:output) { 'foo' }
+    context 'without block' do
+      let(:input) { 'foo' }
+      let(:output) { 'foo' }
 
-    before { run_rf("'match(/foo/)'", input) }
+      before { run_rf("'match(/foo/)'", input) }
 
-    it { expect(last_command_started).to be_successfully_executed }
-    it { expect(last_command_started).to have_output output_string_eq output }
+      it { expect(last_command_started).to be_successfully_executed }
+      it { expect(last_command_started).to have_output output_string_eq output }
+    end
+
+    context 'with block' do
+      let(:input) { 'foo' }
+      let(:output) { 'bar' }
+
+      before { run_rf(%('match(/foo/) { "bar" }'), input) }
+
+      it { expect(last_command_started).to be_successfully_executed }
+      it { expect(last_command_started).to have_output output_string_eq output }
+    end
   end
 
   describe '#match?' do