diff --git a/perl/RaidTab.pm b/perl/RaidTab.pm
index 810495e..80d2b38 100644
--- a/perl/RaidTab.pm
+++ b/perl/RaidTab.pm
@@ -149,6 +149,9 @@ sub processLine ($) {
 		elsif ($fields[$i] =~ /^name=(.+)$/i) {
 			# nothing
 		}
+		elsif ($fields[$i] =~ /^metadata=(.+)$/i) {
+			# nothing
+		}
 		else {
 			my $pair = $fields[$i];
 			Base::fatal ("Unknown attribute $pair in mdadm output");