2 files changed, 12 insertions, 1 deletions
diff --git a/lib/gitlab/etag_caching/router.rb b/lib/gitlab/etag_caching/router.rb
index ba31041d0c1..bdf885559c5 100644
--- a/lib/gitlab/etag_caching/router.rb
+++ b/lib/gitlab/etag_caching/router.rb
@@ -38,7 +38,7 @@ module Gitlab
           'project_pipelines'
         ),
         Gitlab::EtagCaching::Router::Route.new(
-          %r(^(?!.*(#{RESERVED_WORDS})).*/pipelines/\d+\.json\z),
+          %r(^(?!.*(#{RESERVED_WORDS_REGEX})).*/pipelines/\d+\.json\z),
           'project_pipeline'
         )
       ].freeze
diff --git a/spec/lib/gitlab/etag_caching/router_spec.rb b/spec/lib/gitlab/etag_caching/router_spec.rb
index 5ae4a19263c..46a238b17f4 100644
--- a/spec/lib/gitlab/etag_caching/router_spec.rb
+++ b/spec/lib/gitlab/etag_caching/router_spec.rb
@@ -77,6 +77,17 @@ describe Gitlab::EtagCaching::Router do
     expect(result).to be_blank
   end
 
+  it 'matches pipeline#show endpoint' do
+    env = build_env(
+      '/my-group/my-project/pipelines/2.json'
+    )
+
+    result = described_class.match(env)
+
+    expect(result).to be_present
+    expect(result.name).to eq 'project_pipeline'
+  end
+
   def build_env(path)
     { 'PATH_INFO' => path }
   end