diff --git a/Shorewall/Perl/Shorewall/Rules.pm b/Shorewall/Perl/Shorewall/Rules.pm
index 8e0264aca..668d772a2 100644
--- a/Shorewall/Perl/Shorewall/Rules.pm
+++ b/Shorewall/Perl/Shorewall/Rules.pm
@@ -1783,7 +1783,7 @@ sub allowBcast( $$$$ ) {
     }
 }
 
-sub allowMast( $$$$ ) {
+sub allowMcast( $$$$ ) {
     my ($chainref, $level, $tag, $audit) = @_;
 
     my $target = require_audit( 'ACCEPT', $audit );