diff --git a/CHANGELOG.md b/CHANGELOG.md
index ce2d2afb71e6..01fbbf882cad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@
 ### Bug fixes
 
 * [#8913](https://github.com/rubocop-hq/rubocop/pull/8913): Fix an incorrect auto-correct for `Style/RedundantRegexpCharacterClass` due to quantifier. ([@ysakasin][])
+* [#8917](https://github.com/rubocop-hq/rubocop/issues/8917): Fix rubocop comment directives handling of cops with multiple levels in department name. ([@fatkodima][])
 
 ## 1.0.0 (2020-10-21)
 
diff --git a/lib/rubocop/comment_config.rb b/lib/rubocop/comment_config.rb
index 7c285f7a746d..6401af432418 100644
--- a/lib/rubocop/comment_config.rb
+++ b/lib/rubocop/comment_config.rb
@@ -8,7 +8,7 @@ class CommentConfig
     REDUNDANT_DISABLE = 'Lint/RedundantCopDisableDirective'
 
     # @api private
-    COP_NAME_PATTERN = '([A-Z]\w+/)?(?:[A-Z]\w+)'
+    COP_NAME_PATTERN = '([A-Z]\w+/)*(?:[A-Z]\w+)'
     # @api private
     COP_NAMES_PATTERN = "(?:#{COP_NAME_PATTERN} , )*#{COP_NAME_PATTERN}"
     # @api private
diff --git a/spec/rubocop/comment_config_spec.rb b/spec/rubocop/comment_config_spec.rb
index feeaaae748f2..0d055968c831 100644
--- a/spec/rubocop/comment_config_spec.rb
+++ b/spec/rubocop/comment_config_spec.rb
@@ -56,7 +56,10 @@
         '# rubocop:disable RSpec/Example',
         '# rubocop:disable Custom2/Number9',                 # 48
         '',
-        '#=SomeDslDirective # rubocop:disable Layout/LeadingCommentSpace'
+        '#=SomeDslDirective # rubocop:disable Layout/LeadingCommentSpace',
+        '# rubocop:disable RSpec/Rails/HttpStatus',
+        'it { is_expected.to have_http_status 200 }',        # 52
+        '# rubocop:enable RSpec/Rails/HttpStatus'
       ].join("\n")
     end
 
@@ -94,6 +97,12 @@ def disabled_lines_of_cop(cop)
       end
     end
 
+    it 'supports disabling cops with multiple levels in department name' do
+      disabled_lines = disabled_lines_of_cop('RSpec/Rails/HttpStatus')
+      expected_part = (51..53).to_a
+      expect(disabled_lines & expected_part).to eq(expected_part)
+    end
+
     it 'supports enabling/disabling cops without a prefix' do
       empty_interpolation_disabled_lines =
         disabled_lines_of_cop('Lint/EmptyInterpolation')