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-rw-r--r--app/models/external_issue.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/app/models/external_issue.rb b/app/models/external_issue.rb
index 2ca79df0a29..b8585d4e577 100644
--- a/app/models/external_issue.rb
+++ b/app/models/external_issue.rb
@@ -31,7 +31,7 @@ class ExternalIssue
# Pattern used to extract `JIRA-123` issue references from text
def self.reference_pattern
- %r{(?<issue>\b([A-Z][A-Z0-9_]+-)\d+)}
+ @reference_pattern ||= %r{(?<issue>\b([A-Z][A-Z0-9_]+-)\d+)}
end
def to_reference(_from_project = nil)