diff --git a/includes/wc-formatting-functions.php b/includes/wc-formatting-functions.php
index 843bd79eec5..850319c001c 100644
--- a/includes/wc-formatting-functions.php
+++ b/includes/wc-formatting-functions.php
@@ -839,6 +839,9 @@ function wc_format_postcode( $postcode, $country ) {
 		case 'US' :
 			$postcode = rtrim( substr_replace( $postcode, '-', 5, 0 ), '-' );
 			break;
+		case 'PL' :
+			$postcode = trim( substr_replace( $postcode, '-', 2, 0 ) );
+			break;
 	}
 
 	return apply_filters( 'woocommerce_format_postcode', $postcode, $country );