diff --git a/[refs] b/[refs]
index 7fc443957307..10d724e65529 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: eb4546bbbdb160aff084d50511165f385756af18
+refs/heads/master: 7dea26813507bfa3d261a81f70494336c3b28293
diff --git a/trunk/scripts/get_maintainer.pl b/trunk/scripts/get_maintainer.pl
index 0948c6b5a321..8b673dd4627f 100755
--- a/trunk/scripts/get_maintainer.pl
+++ b/trunk/scripts/get_maintainer.pl
@@ -83,6 +83,8 @@
 push(@signature_tags, "Reviewed-by:");
 push(@signature_tags, "Acked-by:");
 
+my $signature_pattern = "\(" . join("|", @signature_tags) . "\)";
+
 # rfc822 email address - preloaded methods go here.
 my $rfc822_lwsp = "(?:(?:\\r\\n)?[ \\t])";
 my $rfc822_char = '[\\000-\\377]';
@@ -473,7 +475,6 @@ sub read_mailmap {
 my @status = ();
 my %deduplicate_name_hash = ();
 my %deduplicate_address_hash = ();
-my $signature_pattern;
 
 my @maintainers = get_maintainers();