1 files changed, 1 insertions, 1 deletions

diff --git a/build-aux/update-copyright b/build-aux/update-copyright
index 4eb4b93ea6c..8cc36e22d59 100755
--- a/build-aux/update-copyright
+++ b/build-aux/update-copyright
@@ -124,7 +124,7 @@ use strict;
 use warnings;
 
 my $copyright_re = 'Copyright';
-my $circle_c_re = '(?:\([cC]\)|@copyright{}|\\\\\(co|©)';
+my $circle_c_re = '(?:\([cC]\)|@copyright\{}|\\\\\(co|©)';
 my $holder = $ENV{UPDATE_COPYRIGHT_HOLDER};
 $holder ||= 'Free Software Foundation, Inc.';
 my $prefix_max = 5;