diff --git a/hash/softwarelist.dtd b/hash/softwarelist.dtd
index 291090675c1..ce3541c7d0d 100644
--- a/hash/softwarelist.dtd
+++ b/hash/softwarelist.dtd
@@ -34,7 +34,7 @@
 					<!ATTLIST rom offset CDATA #IMPLIED>
 					<!ATTLIST rom value CDATA #IMPLIED>
 					<!ATTLIST rom status (baddump|nodump|good) "good">
-					<!ATTLIST rom loadflag (load16_byte|load16_word|load16_word_swap|load32_byte|load32_word|load32_word_swap|load32_dword|load64_word|load64_word_swap|reload|fill|continue|reload_plain) #IMPLIED>
+					<!ATTLIST rom loadflag (load16_byte|load16_word|load16_word_swap|load32_byte|load32_word|load32_word_swap|load32_dword|load64_word|load64_word_swap|reload|fill|continue|reload_plain|ignore) #IMPLIED>
 			<!ELEMENT diskarea (disk*)>
 				<!ATTLIST diskarea name CDATA #REQUIRED>
 				<!ELEMENT disk EMPTY>