diff --git a/analyser/rules_specifications/postcode_bad_format.yaml b/analyser/rules_specifications/postcode_bad_format.yaml
index 109e0dc..fc379d2 100644
--- a/analyser/rules_specifications/postcode_bad_format.yaml
+++ b/analyser/rules_specifications/postcode_bad_format.yaml
@@ -93,7 +93,7 @@ QUERY:
       ('ls', '[0-9][0-9][0-9]', 'ddd'),
       ('lt', '(LT-?)?([0-9][0-9][0-9][0-9][0-9])', '(LT-?)?(ddddd)'),
       ('lu', '[0-9][0-9][0-9][0-9]', 'dddd'),
-      ('lv', '(LV-)?([0-9][0-9][0-9][0-9])', '(LV-)?(dddd)'),
+      ('lv', 'LV-([0-9][0-9][0-9][0-9])', 'LV-(dddd)'),
       ('ma', '[0-9][0-9][0-9][0-9][0-9]', 'ddddd'),
       ('mc', '980[0-9][0-9]', '980dd'),
       ('md', '(MD-?)?([0-9][0-9][0-9][0-9])', '(MD-?)?(dddd)'),