diff --git a/spec/lib/gitlab/markdown/redactor_filter_spec.rb b/spec/lib/gitlab/markdown/redactor_filter_spec.rb
index a6cf3c64236268869271fb10129b00ec236afdb3..4ffba9ac7b1e23ce4d9c6ad8db544a8db99ce5aa 100644
--- a/spec/lib/gitlab/markdown/redactor_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/redactor_filter_spec.rb
@@ -37,6 +37,12 @@ module Gitlab::Markdown
 
         expect(doc.css('a').length).to eq 1
       end
+
+      it 'handles invalid Group references' do
+        link = reference_link(group_id: 12345)
+
+        expect { filter(link) }.not_to raise_error
+      end
     end
 
     context 'with data-project-id' do
@@ -60,6 +66,12 @@ module Gitlab::Markdown
 
         expect(doc.css('a').length).to eq 1
       end
+
+      it 'handles invalid Project references' do
+        link = reference_link(project_id: 12345)
+
+        expect { filter(link) }.not_to raise_error
+      end
     end
 
     context 'with data-user-id' do