diff --git a/nlsr.conf b/nlsr.conf
index 6632d4b..d5d3f94 100644
--- a/nlsr.conf
+++ b/nlsr.conf
@@ -137,7 +137,7 @@
       filter
       {
         type name
-        regex ^[^<nlsr><LSA>]*<nlsr><LSA>
+        regex ^[^<NLSR><LSA>]*<NLSR><LSA>
       }
       checker
       {
@@ -151,7 +151,7 @@
             k-regex ^([^<KEY><NLSR>]*)<NLSR><KEY><ksk-.*><ID-CERT>$
             k-expand \\1\\2
             h-relation equal
-            p-regex ^([^<nlsr><LSA>]*)<nlsr><LSA>(<>*)<><>$
+            p-regex ^([^<NLSR><LSA>]*)<NLSR><LSA>(<>*)<><>$
             p-expand \\1\\2
           }
         }