diff --git a/checkpatch.pl b/checkpatch.pl
index 2d42eb9..0e66dae 100755
--- a/checkpatch.pl
+++ b/checkpatch.pl
@@ -58,7 +58,7 @@
 my $conststructsfile = "$D/const_structs.checkpatch";
 my $typedefsfile = "";
 my $color = "auto";
-my $allow_c99_comments = 1;
+my $allow_c99_comments = 1; # Can be overridden by --ignore C99_COMMENT_TOLERANCE
 
 sub help {
 	my ($exitcode) = @_;
@@ -973,6 +973,7 @@
 }
 
 my $vname;
+$allow_c99_comments = !defined $ignore_type{"C99_COMMENT_TOLERANCE"};
 for my $filename (@ARGV) {
 	my $FILE;
 	if ($git) {