diff --git a/testdata/test_signatures.8 b/testdata/test_signatures.8
index 7b9a8eebe..7e607a4f7 100644
--- a/testdata/test_signatures.8
+++ b/testdata/test_signatures.8
@@ -13,6 +13,15 @@ SECTION ANSWER
 sub.example.com.    3600    IN      DNSKEY  256 3 5 AQPQ41chR9DEHt/aIzIFAqanbDlRflJoRs5yz1jFsoRIT7dWf0r+PeDuewdxkszNH6wnU4QL8pfKFRh5PIYVBLK3 ;{id = 30899 (zsk), size = 512b}
 ENTRY_END
 
+; entry to test -- capitals in signer name.
+ENTRY_BEGIN
+SECTION QUESTION
+www.sub.example.com.    IN      A 
+SECTION ANSWER
+www.sub.example.com.    3600    IN      A       11.11.11.11
+www.sub.example.com.    3600    IN      RRSIG   A 5 4 3600 20070926134150 20070829134150 30899 sUb.eXamPle.com. 0DqqRfRtm7VSEQ4mmBbzrKRqQAay3JAE8DPDGmjtokrrjN9F1G/HxozDV7bjdIh2EChlQea8FPwf/GepJMUVxg== ;{id = 30899}
+ENTRY_END
+
 ; entry to test
 ENTRY_BEGIN
 SECTION QUESTION