diff --git a/validator.sh b/validator.sh
index b3947e7..1eac725 100644
--- a/validator.sh
+++ b/validator.sh
@@ -8,7 +8,7 @@ readonly HEADER_PATTERN="^([^\(]+)\(([^\)]+)\): (.+)$"
 readonly TYPE_PATTERN="^(feat|fix|docs|gen|lint|refactor|test|chore)$"
 readonly SCOPE_PATTERN="^([a-z][a-z0-9]*)(-[a-z0-9]+)*$"
 readonly SUBJECT_PATTERN="^([a-z0-9].*[^ ^\.])$"
-readonly JIRA_PATTERN="^([A-Z]{2,4}-[0-9]{1,6} ?)+$"
+readonly JIRA_PATTERN="^([A-Z]{2,4}[0-9]{0,6}-[0-9]{1,6} ?)+$"
 readonly JIRA_HEADER_PATTERN="^.*([A-Z]{3,4}-[0-9]{1,6}).*$"
 readonly BROKE_PATTERN="^BROKEN:$"
 readonly TRAILING_SPACE_PATTERN=" +$"