--- test-suite/check	2009-01-05 09:01:04.000000000 -0500
+++ test-suite/check	2009-04-08 08:05:08.000000000 -0400
@@ -52,7 +52,7 @@
 	nbtests=`expr $nbtests + 1`
 	printf "    "$f"..."
         tmpoutput=`mktemp /tmp/coqcheck.XXXXXX`
-	$command $f 2>&1 | grep -v "Welcome to Coq" | grep -v "Skipping rcfile loading" > $tmpoutput
+	$command $f 2>&1 | grep -v "Welcome to Coq" | grep -v "Skipping rcfile loading" | grep -v "some rule has been masked" > $tmpoutput
         foutput=`dirname $f`/`basename $f .v`.out
         diff $tmpoutput $foutput > /dev/null 2>&1
 	if [ $? = 0 ]; then