diff --git a/src/main/resources/com/solab/iso8583/parse/j8583.dtd b/src/main/resources/com/solab/iso8583/parse/j8583.dtd
index 6902eef..4e5232f 100644
--- a/src/main/resources/com/solab/iso8583/parse/j8583.dtd
+++ b/src/main/resources/com/solab/iso8583/parse/j8583.dtd
@@ -12,7 +12,7 @@
 <!ATTLIST parse type NMTOKEN #REQUIRED >
 <!ATTLIST parse extends NMTOKEN #IMPLIED >
 
-<!ELEMENT field ( #PCDATA ) >
+<!ELEMENT field ( #PCDATA|field )* >
 <!ATTLIST field num NMTOKEN #REQUIRED >
 <!ATTLIST field length NMTOKEN #IMPLIED >
 <!ATTLIST field type ( ALPHA | NUMERIC | AMOUNT | DATE10 | DATE4 | DATE_EXP | TIME | LLVAR | LLLVAR | BINARY | LLBIN | LLLBIN | exclude) #REQUIRED >