diff --git a/bin/db-ris b/bin/db-ris
index 99e07b0fada595ecb730474537aeb3abe375a11b..234a91273e54a2e6662063638fee1851d77a892a 100755
--- a/bin/db-ris
+++ b/bin/db-ris
@@ -87,9 +87,7 @@ sub display_result {
 sub filter_info {
 	my ($info) = @_;
 
-	if ( $info =~ m{ ^ (?: p.nktlich | k [.] A [.] ) $ }ox ) {
-		return q{};
-	}
+	$info =~ s{ (?: ^ | , ) (?: p.nktlich | k [.] A [.] ) }{}x;
 
 	return $info;
 }