diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index f27dbb6bf4acfe6f5381d7c86760b1170c8a10ff..bec1af6b73bca92fdb0cabc45bb5e41d178b9a1d 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -1364,7 +1364,7 @@ sub format_log_line_html {
 	my $line = shift;
 
 	$line = esc_html($line, -nbsp=>1);
-	if ($line =~ m/([0-9a-fA-F]{8,40})/) {
+	if ($line =~ m/\b([0-9a-fA-F]{8,40})\b/) {
 		my $hash_text = $1;
 		my $link =
 			$cgi->a({-href => href(action=>"object", hash=>$hash_text),