diff --git a/resources/lang/pl_PL/firefly.php b/resources/lang/pl_PL/firefly.php
index af068be87e..41aa764eb8 100644
--- a/resources/lang/pl_PL/firefly.php
+++ b/resources/lang/pl_PL/firefly.php
@@ -239,6 +239,7 @@ return [
     'rule_trigger_to_account_is'                 => 'Kontem docelowym jest ":trigger_value"',
     'rule_trigger_to_account_contains'           => 'Konto docelowe zawiera ":trigger_value"',
     'rule_trigger_transaction_type'              => 'Transakcja jest typu ":trigger_value"',
+    'rule_trigger_category_is'                   => 'Category is ":trigger_value"',
     'rule_trigger_amount_less'                   => 'Kwota jest mniejsza niż :trigger_value',
     'rule_trigger_amount_exactly'                => 'Kwota jest równa :trigger_value',
     'rule_trigger_amount_more'                   => 'Kwota jest większa niż :trigger_value',