diff --git a/util/lint/checkpatch.pl b/util/lint/checkpatch.pl
index 4d956e2244..cc42e8fb80 100755
--- a/util/lint/checkpatch.pl
+++ b/util/lint/checkpatch.pl
@@ -2655,15 +2655,16 @@ sub process {
 			$commit_log_possible_stack_dump = 1;
 		}
 
+# coreboot: The line lengeth limit is 72
 # Check for line lengths > 72 in commit log, warn once
 		if ($in_commit_log && !$commit_log_long_line &&
 		    length($line) > 72 &&
 		    !($line =~ /^\s*[a-zA-Z0-9_\/\.]+\s+\|\s+\d+/ ||
 					# file delta changes
-		      $line =~ /^\s*(?:[\w\.\-]+\/)++[\w\.\-]+:/ ||
+		      $line =~ /^\s*(?:[\w\.\-\+]*\/)++[\w\.\-\+]+:/ ||
 					# filename then :
-		      $line =~ /^\s*(?:Fixes:|Link:)/i ||
-					# A Fixes: or Link: line
+		      $line =~ /^\s*(?:Fixes:|Link:|$signature_tags)/i ||
+					# A Fixes: or Link: line or signature tag line
 		      $commit_log_possible_stack_dump)) {
 			WARN("COMMIT_LOG_LONG_LINE",
 			     "Possible unwrapped commit description (prefer a maximum 72 chars per line)\n" . $herecurr);